| Name (click to see more) | Description |
| Anza_hydrogeologic_structures | Anza_hydrogeologic_structures |
| Anza_study_wells | Anza_study_wells |
| DS273_Ag_Irrigation | Irrigated Acreage Within the Basin and Range Carbonate-Rock Aquifer System, White Pine County, Nevada and Adjacent Areas in Nevada and Utah |
| DS273_CropInventory | Nevada Department of Water Resources State Crop Inventories for Newark, Little Smoky, and Steptoe Valleys 2000, 2002, and 2005 |
| DS273_DelineatedIrrigatedAcreage_Geodatabase | Irrigated Acreage Geodatabase Within the Basin and Range Carbonate-Rock Aquifer System, White Pine County, Nevada, and Adjacent Areas in Nevada and Utah |
| DS273_HA_StudyArea | Hydrographic Areas Within the Basin and Range Carbonate-Rock Aquifer System, White Pine County, Nevada and Adjacent Areas in Nevada and Utah |
| DS273_IrrigationFieldCheck | Irrigated Acerage Within the Basin and Range Carbonate-Rock Aquifer System, White Pine County, Nevada and Adjacent Areas in Nevada and Utah Field Verification Global Position System (GPS) Waypoints |
| DS273_NV_StateWellLog | Irrigation Wells from the Nevada Division of Water Resources Well Log Database |
| DS273_Utah_POD | Irrigation Wells from the Utah Division of Water Rights Point of Diversion Database |
| DS297_NTS_BH_4sep07 | Locations and summary of types of data available by borehole or other underground openings, Mercury Core Library and Data Center, Nye County, Nevada |
| DS302 | Geospatial database of ground-water altitude and depth-to-ground-water data for Utah, 1971-2000 |
| DS332 | Streamflow Measurements in North-central Nebraska, November 2006--Measurement Sites |
| NE-3071 | Drainage areas for selected stream-sampling stations, Missouri River Basin |
| OFR2006-1308_Drainage_Basin | Drainage basin delineations for selected USGS streamflow-gaging stations in Virginia (Drainage_Basin) |
| PP1680_frmwrk | A Surficial Hydrogeologic Framework for the Mid-Atlantic Coastal Plain. |
| PP1680_phys | Physiography for the Mid-Atlantic Coastal Plain |
| PP1680_sbcrps | Subcropping Geology for the Mid-Atlantic Coastal Plain |
| PP1680_srfgl | Surficial Geology for the Mid-Atlantic Coastal Plain. |
| SIR-06-5129_alt_bottom_trinidad_con | Altitude of the bottom of the Trinidad Sandstone in the Raton Basin, Las Animas County, Colorado |
| SIR-06-5129_alt_top_raton_con | Altitude of the top of the Raton Formation in the Raton Basin, Las Animas County, Colorado |
| SIR-06-5129_alt_top_trinidad_con | Altitude of the top of the Trinidad Sandstone in the Raton Basin, Las Animas County, Colorado |
| SIR-06-5129_alt_top_vermejo_con | Altitude of the top of the Vermejo Formation in the Raton Basin, Las Animas County, Colorado |
| SIR-06-5129_alt_water_table_con | Altitude of the top of the water table in the Raton Basin, Las Animas County, Colorado |
| SIR-06-5129_cogcc_production_point | Production of gas and water from gas wells in the Raton Basin, Las Animas County, Colorado, 1999-2004 |
| SIR-06-5129_cogcc_wells_point | Gas wells in the Raton Basin, Las Animas County, Colorado, 2004 |
| SIR-06-5129_depth_bottom_trinidad_con | Depth to the bottom of the Trinidad Sandstone in the Raton Basin, Las Animas County, Colorado |
| SIR-06-5129_depth_top_raton_con | Depth to the top of the Raton Formation in the Raton Basin, Las Animas County, Colorado |
| SIR-06-5129_depth_top_trinidad_con | Depth to the top of the Trinidad Sandstone in the Raton Basin, Las Animas County, Colorado |
| SIR-06-5129_depth_top_vermejo_con | Depth to the top of the Vermejo Formation in the Raton Basin, Las Animas County, Colorado |
| SIR-06-5129_depth_water_table_con | Depth to the top of the water table in the Raton Basin, Las Animas County, Colorado |
| SIR-06-5129_formation_tops_point | Depths to and altitudes of tops of, and apparent thickness of selected hydrostratigraphic units in the Raton Basin, Huerfano and Las Animas Counties, Colorado |
| SIR-06-5129_seo_wells_point | Water wells, with selected administrative, well construction, and hydrogeologic data, Raton Basin, Huerfano and Las Animas Counties, Colorado, 2002 |
| SIR-06-5129_thickness_raton_con | Thickness of the Raton Formation in the Raton Basin, Las Animas County, Colorado |
| SIR-06-5129_thickness_trinidad_con | Thickness of the Trinidad Sandstone in the Raton Basin, Las Animas County, Colorado |
| SIR-06-5129_thickness_vermejo_con | Thickness of the Vermejo Formation in the Raton Basin, Las Animas County, Colorado |
| SIR20065032_averhoCC.e00 | Capacitively coupled average resistivity of the Interstate and Tri-State Canals |
| SIR20065032_averhoDC.e00 | Direct-current average resistivity of the Tri-State Canal |
| ag_chem | Estimates of agricultural-chemical use in counties in the conterminous United States as reported in the 1987 Census of Agriculture |
| ag_crop1 | Estimates of agricultural cropping-practices in counties in the conterminous United States as reported in the 1987 Census of Agriculture |
| ag_crop2 | Estimates of agricultural cropping-practices in counties in the conterminous United States as reported in the 1987 Census of Agriculture |
| ag_expn | Estimates of agricultural expenses in counties in the conterminous United States as reported in the 1987 Census of Agriculture |
| ag_land | Estimates of land in agricultural production in counties in the conterminous United States as reported in the 1987 Census of Agriculture |
| ag_stock | Estimates of livestock holdings in counties in the conterminous United States as reported in the 1987 Census of Agriculture |
| agpest92grd |
Grids of Agricultural Pesticide Use in the
Conterminous United States, 1992
|
| agpest97grd |
Grids of Agricultural Pesticide Use in the
Conterminous United States, 1997
|
| aquifers_pr | Principal aquifers of Puerto Rico and the U.S. Virgin Islands |
| aquifers_us | Principal aquifers of the 48 contiguous United States |
| aquiphys | Superfund GIS - Physiographic Provinces, Aquifer Outcrops and Recharge Rates in Tennessee |
| atra_hyd_nuse | Raster dataset showing the probability of detecting atrazine/desethyl-atrazine in ground water in Colorado, hydrogeomorphic regions included and atrazine use estimates not included. |
| atra_hyd_use | Raster dataset showing the probability of detecting atrazine/desethyl-atrazine in ground water in Colorado, hydrogeomorphic regions and atrazine use estimates included. |
| atra_nhyd_nus | Raster dataset showing the probability of detecting atrazine/desethyl-atrazine in ground water in Colorado, hydrogeomorphic regions and atrazine use estimates not included. |
| atra_nhyd_use | Raster dataset showing the probability of detecting atrazine/desethyl-atrazine in ground water in Colorado, hydrogeomorphic regions not included and atrazine use estimates included. |
| benchmark | Locations of NASQAN benchmark stations |
| bfi48grd | Base-flow index grid for the conterminous United States |
| bnd_3x325 | Study area boundary for the Death Valley regional ground-water flow system, Nevada and California |
| bnd_dv_pp1370f | Boundary of the Death Valley region by Bedinger and others (1989), for the Death Valley regional ground-water flow system study, Nevada and California |
| ca_provinces | Hydrogeologic Provinces for California based upon established groundwater basins and watershed polygons. |
| cd104 | Districts for 104th Congress |
| cir89 | Color-infrared composite of Landsat data for the Sarcobatus Flat area of the Death Valley regional |
| cir92 | Color-infrared composite of Landsat data for the Death Valley regional |
| climate_div | Climate Divisions |
| co_arapbase_ha742 | Structure contours of base of upper Arapahoe aquifer in "Structure, outcrop, and subcrop of the bedrock aquifers along the western margin of the Denver Basin, Colorado." Hydrologic Atlas 742 |
| co_geo_ha742 | Geohydrologic unit boundaries along the Colorado Front Range |
| co_geosymb_ha742 | Point and line geologic structure information in "Structure, outcrop, and subcrop of the |
| co_lfhbase_ha742 | Structure contours of base of Laramie-Fox Hills and Arapahoe aquifers |
| co_lfhtop_ha742 | Structure contours of top of Laramie-Fox Hills aquifer in "Structure, outcrop, and subcrop of the bedrock aquifers along the western margin of Denver Basin, Colorado." Hydrologic Atlas 742 |
| co_studyarea_ha742 | Study-area boundary for "Structure, outcrop, and subcrop of the bedrock aquifers along the western margin of the Denver Basin, Colorado." Hydrologic Atlas 742 |
| co_wells_ha742 | Location of wells shown in "Structure, outcrop,, and subcrop of the bedrock aquifers along the western margin of the Denver Basin, Colorado." Hydrologic Atlas 742 |
| cont1992 | 1992 Water-Table Contours of the Mojave River Ground-Water Basin, San Bernardino County, California. |
| cont1994 | 1994 Water-Table Contours of the Morongo Ground-Water Basin, San Bernardino County, California |
| cont1996 | 1996 Water-Table Contours of the Mojave River, the Morongo, and the Fort Irwin Ground-Water Basins, San Bernardino County, California |
| cont1998 | 1998 Water-Table Contours of the Mojave River and the Morongo Ground-Water Basins, San Bernardino County, California |
| cont2000 | 2000 Water-Table Contours of the Mojave River and the Morongo Ground-Water Basins, San Bernardino County, California |
| county100 | 1:100,000-scale Counties of the United States |
| county2m | 1:2,000,000-scale Counties of the United States |
| darea | Outer boundary of major discharge areas of Death Valley regional flow system, Nevada and |
| diffus | Superfund GIS - Aquifer Diffusivity in Tennessee. |
| ds102_bur_valleys | Buried valleys within the Standing Rock Indian Reservation, Sioux County, North Dakota, and Corson County, South Dakota |
| ds102_glac_limit | Approximate western limit of glaciation within the Standing Rock Indian Reservation, Sioux County, North Dakota, and Corson County, South Dakota |
| ds102_gw_resources | Availability of shallow ground-water resources within the Standing Rock Indian Reservation, Sioux County, North Dakota, and Corson County, South Dakota |
| ds102_surf_geology | Surficial geology within the Standing Rock Indian Reservation, Sioux County, North Dakota, and Corson County, South Dakota |
| ds192_hp_npctprob | Percentage of probability of nonpoint-source nitrate contamination of recently recharged ground water in the High Plains aquifer |
| ds240_landuse_poly | Enhanced Historical Land-Use and Land-Cover Data Sets of the U.S. Geological Survey: polygon format files |
| ds240_landuse_raster | Enhanced Historical Land-Use and Land-Cover Data Sets of the U.S. Geological Survey: raster format files |
| ds240_landuse_src_poly | Enhanced Historical Land-Use and Land-Cover Data Sets of the U.S. Geological Survey: Data Source Index Polygons |
| ds240_landuse_tilepoly | Enhanced Historical Land-Use and Land-Cover Data Sets of the U.S. Geological Survey: Tile Index Polygons |
| ecoregion | Aquatic ecoregions of the conterminous United States |
| elevgrd | Ohio-drainage digital elevation model for use with Water Resources Investigations Report 03-4164 |
| erf1 | ERF1 -- Enhanced River Reach File 1.2 |
| erf1_2 | ERF1_2 -- Enhanced River Reach File 2.0 |
| etsite | Evapotranspiration sites within the Ash Meadows and Oasis Valley discharge areas, Nevada |
| etunit | Classification of evapotranspiration units in major discharge areas of Death Valley regional |
| faults | Digital Geologic Faults of Sherman Quadrangle, North-Central Texas |
| floodregions | Ohio flood regions for use with Water Resources Investigations Report 03-4164 |
| geo250k | Superfund GIS - 1:250,000 Geology of Tennessee. |
| geology | Digital Geologic Map of Sherman Quadrangle, North-Central Texas |
| gpwa_utm27f.met | Tin of average annuall rainfall amounts for Ohio (in inches) |
| gwava-dw | Vulnerability of shallow ground water and drinking-water wells to nitrate in the United States: Model of predicted nitrate concentration in U.S. ground water used for drinking (simulation depth 50 meters) |
| gwava-dw_conf |
Vulnerability of shallow ground water and drinking-water wells
to nitrate in the United States: Model of predicted nitrate
concentration in U.S. ground water used for drinking
(simulation depth 50 meters) -- Input data set for confined
manure (gwava-dw_conf)
|
| gwava-dw_ddit |
Vulnerability of shallow ground water and drinking-water wells
to nitrate in the United States: Model of predicted nitrate
concentration in U.S. ground water used for drinking
(simulation depth 50 meters) -- Input data set for drainage
ditch (gwava-dw_ddit)
|
| gwava-dw_dun |
Vulnerability of shallow ground water and drinking-water wells
to nitrate in the United States: Model of predicted nitrate
concentration in U.S. ground water used for drinking
(simulation depth 50 meters) -- Input data set for Dunne
overland flow (gwava-dw_dun)
|
| gwava-dw_ffer |
Vulnerability of shallow ground water and drinking-water wells
to nitrate in the United States: Model of predicted nitrate
concentration in U.S. ground water used for drinking
(simulation depth 50 meters) -- Input data set for farm
fertilizer (gwava-dw_ffer)
|
| gwava-dw_gtil |
Vulnerability of shallow ground water and drinking-water wells
to nitrate in the United States: Model of predicted nitrate
concentration in U.S. ground water used for drinking
(simulation depth 50 meters) -- Input data set for glacial
till (gwava-dw_gtil)
|
| gwava-dw_hor |
Vulnerability of shallow ground water and drinking-water wells
to nitrate in the United States: Model of predicted nitrate
concentration in U.S. ground water used for drinking
(simulation depth 50 meters) -- Input data set for Hortonian
overland flow (gwava-dw_hor)
|
| gwava-dw_orvi |
Vulnerability of shallow ground water and drinking-water wells
to nitrate in the United States: Model of predicted nitrate
concentration in U.S. ground water used for drinking
(simulation depth 50 meters) -- Input data set for orchards/vineyards
(gwava-dw_orvi)
|
| gwava-dw_out |
Vulnerability of shallow ground water and drinking-water wells
to nitrate in the United States: Model of predicted nitrate
concentration in U.S. ground water used for drinking
(simulation depth 50 meters) -- Model output data set (gwava-dw_out)
|
| gwava-dw_popd |
Vulnerability of shallow ground water and drinking-water wells
to nitrate in the United States: Model of predicted nitrate
concentration in U.S. ground water used for drinking
(simulation depth 50 meters) -- Input data set for population
density (gwava-dw_popd)
|
| gwava-dw_semc |
Vulnerability of shallow ground water and drinking-water wells
to nitrate in the United States: Model of predicted nitrate
concentration in U.S. ground water used for drinking
(simulation depth 50 meters) -- Input data set for semiconsolidated
sand aquifers (gwava-dw_semc)
|
| gwava-dw_sscb |
Vulnerability of shallow ground water and drinking-water wells
to nitrate in the United States: Model of predicted nitrate
concentration in U.S. ground water used for drinking
(simulation depth 50 meters) -- Input data set for sandstone
and carbonate rocks (gwava-dw_sscb)
|
| gwava-dw_swus |
Vulnerability of shallow ground water and drinking-water wells
to nitrate in the United States: Model of predicted nitrate
concentration in U.S. ground water used for drinking
(simulation depth 50 meters) -- Input data set for fresh
surface water withdrawal (gwava-dw_swus)
|
| gwava-dw_twre |
Vulnerability of shallow ground water and drinking-water wells
to nitrate in the United States: Model of predicted nitrate
concentration in U.S. ground water used for drinking
(simulation depth 50 meters) -- Input data set for irrigation
tailwater recovery (gwava-dw_twre)
|
| gwava-dw_wtin |
Vulnerability of shallow ground water and drinking-water wells
to nitrate in the United States: Model of predicted nitrate
concentration in U.S. ground water used for drinking
(simulation depth 50 meters) -- Input data set for water input
(gwava-dw_wtin)
|
| gwava-s | Vulnerability of shallow ground water and drinking-water wells to nitrate in the United States: Model of predicted nitrate concentration in shallow, recently recharged ground water |
| gwava-s_clay |
Vulnerability of shallow ground water and drinking-water wells
to nitrate in the United States: Model of predicted nitrate
concentration in shallow, recently recharged ground water --
Input data set for clay sediment (gwava-s_clay)
|
| gwava-s_conf |
Vulnerability of shallow ground water and drinking-water wells
to nitrate in the United States: Model of predicted nitrate
concentration in shallow, recently recharged ground water --
Input data set for confined manure (gwava-s_conf)
|
| gwava-s_crox |
Vulnerability of shallow ground water and drinking-water wells
to nitrate in the United States: Model of predicted nitrate
concentration in shallow, recently recharged ground water --
Input data set for carbonate rocks (gwava-s_crox)
|
| gwava-s_crpa |
Vulnerability of shallow ground water and drinking-water wells
to nitrate in the United States: Model of predicted nitrate
concentration in shallow, recently recharged ground water --
Input data set for cropland/pasture/fallow (gwava-s_crpa)
|
| gwava-s_ddit |
Vulnerability of shallow ground water and drinking-water wells
to nitrate in the United States: Model of predicted nitrate
concentration in shallow, recently recharged ground water --
Input data set for drainage ditch (gwava-s_ddit)
|
| gwava-s_ffer |
Vulnerability of shallow ground water and drinking-water wells
to nitrate in the United States: Model of predicted nitrate
concentration in shallow, recently recharged ground water --
Input data set for farm fertilizer (gwava-s_ffer)
|
| gwava-s_gtil |
Vulnerability of shallow ground water and drinking-water wells
to nitrate in the United States: Model of predicted nitrate
concentration in shallow, recently recharged ground water --
Input data set for glacial till (gwava-s_gtil)
|
| gwava-s_hist |
Vulnerability of shallow ground water and drinking-water wells
to nitrate in the United States: Model of predicted nitrate
concentration in shallow, recently recharged ground water --
Input data set for histosols (gwava-s_hist)
|
| gwava-s_orvi |
Vulnerability of shallow ground water and drinking-water wells
to nitrate in the United States: Model of predicted nitrate
concentration in shallow, recently recharged ground water --
Input data set for orchards/vineyards (gwava-s_orvi)
|
| gwava-s_out |
Vulnerability of shallow ground water and drinking-water wells
to nitrate in the United States: Model of predicted nitrate
concentration in shallow, recently recharged ground water --
Model output data set (gwava-s_out)
|
| gwava-s_popd |
Vulnerability of shallow ground water and drinking-water wells
to nitrate in the United States: Model of predicted nitrate
concentration in shallow, recently recharged ground water --
Input data set for population density (gwava-s_popd)
|
| gwava-s_slop |
Vulnerability of shallow ground water and drinking-water wells
to nitrate in the United States: Model of predicted nitrate
concentration in shallow, recently recharged ground water --
Input data set for slope (gwava-s_slop)
|
| gwava-s_swus |
Vulnerability of shallow ground water and drinking-water wells
to nitrate in the United States: Model of predicted nitrate
concentration in shallow, recently recharged ground water --
Input data set for fresh surface water withdrawal
(gwava-s_swus)
|
| gwava-s_twre |
Vulnerability of shallow ground water and drinking-water wells
to nitrate in the United States: Model of predicted nitrate
concentration in shallow, recently recharged ground water --
Input data set for irrigation tailwater recovery
(gwava-s_twre)
|
| gwava-s_vrox |
Vulnerability of shallow ground water and drinking-water wells
to nitrate in the United States: Model of predicted nitrate
concentration in shallow, recently recharged ground water --
Input data set for basalt and volcanic rocks (gwava-s_vrox)
|
| gwava-s_wetl |
Vulnerability of shallow ground water and drinking-water wells
to nitrate in the United States: Model of predicted nitrate
concentration in shallow, recently recharged ground water --
Input data set for wetlands (gwava-s_wetl)
|
| gwava-s_wtin |
Vulnerability of shallow ground water and drinking-water wells
to nitrate in the United States: Model of predicted nitrate
concentration in shallow, recently recharged ground water --
Input data set for water input (gwava-s_wtin)
|
| gwrisk | Probability of nitrate contamination of recently recharged ground waters in the conterminous United States |
| ha24_hum | 1:24,000-scale Hydrographic Areas for Humboldt River Basin, Nevada |
| ha694c_et1000gb_p | 1:1,000,000-scale areas of evapotranspiration in the Great Basin |
| ha694c_spg1000gb_x | 1:1,000,000-scale large springs for the Great Basin |
| hcdn | Hydro-Climatic Data Network (HCDN) -- A USGS Streamflow Data Set for the U.S. for the Study of Climate Fluctuations |
| herbicide1 | Estimates of herbicide use for the 20 most-used herbicides in the conterminous United States |
| herbicide2 | Estimates of herbicide use for the twenty-first through the fortieth most-used herbicides in the conterminous United States |
| herbicide3 | Estimates of herbicide use for the forty-first through the sixtieth most-used herbicides in the conterminous United States |
| herbicide4 | Estimates of herbicide use for the sixty-first through the eightieth most-use herbicides in the conterminous United States |
| herbicide5 | estimates of herbicide use for the eighty-first through the ninety-sixth most-used herbicides in the conterminous United States |
| hgmr | Hydrogeomorphic Regions in the Chesapeake Bay Watershed. |
| hlrus | Hydrologic landscape regions of the United States |
| huc250k | 1:250,000-scale Hydrologic Units of the United States |
| huc2m | 1:2,000,000-scale Hydrologic Units of the United States |
| huc2m_v112 | (SUPERSEDED) 1:2,000,000-scale Hydrologic Units of the United States (SUPERSEDED) |
| hydmain_hum | Humboldt River main stem, Nevada |
| ieof48 | Infiltration-excess overland flow estimated by TOPMODEL for the conterminous United States |
| landfill | Map of landfill locations, 1986 |
| landuse | Ohio-drainage land-use/land-cover data for use with Water Resources Investigations Report 03-4164 |
| manure | County-based estimates of nitrogen and phosphorus content of animal manure in the United States for 1982, 1987, and 1992. |
| mdnet_01 | Maryland Ground-Water Observation Well Network, 2001 |
| mdwu_98 | Maryland Water-Use Data, 1998 |
| mex_stateboundaries | Digital map of the state (political) boundaries of Mexico |
| mlra | Major Land Resource Areas (MLRA) |
| msavi89 | Modified soil adjusted vegetation index of the Sarcobatus Flat area of the Death Valley |
| msavi92 | Modified soil adjusted vegetation index for the Death Valley regional flow system, Nevada and |
| muid | STATSGO soil characteristics for the conterminous United States |
| na70_landfrm | Classes of land-surface form in the United States |
| na70_landuse | Major land uses in the United States |
| nasqan | Stations in the USGS's National Stream Quality Accounting Network (NASQAN) |
| nasqan2k | Watersheds for U.S Geological Survey National Stream Quality Accounting Network (NASQAN) sampling sites 1996-2000. |
| nawqacyc1 | National Water-Quality Assessment (NAWQA) Study-Unit Investigations in the conterminous United States 1991-2001 |
| nawqacyc2 | National Water-Quality Assessment (NAWQA) Study-Unit Investigations in the conterminous United States 2001-2012 |
| nawqagencyc1 | Generalized boundaries of the National Water-Quality Assessment (NAWQA) Study-Unit Investigations in the conterminous United States 1991-2001 |
| nawqagencyc2 | Generalized boundaries of the National Water-Quality Assessment (NAWQA) Study-Unit Investigations in the conterminous United States 2001-2012 |
| newlu00g | 1970's Land use data refined with 2000 population data to indicate new residential development for the conterminous United States |
| newlu90g | 1970's Land use data refined with 1990 population data to indicate new residential development for the conterminous United States |
| nhd | National Hydrography Dataset (NHD) |
| nit85 | Estimates of nitrogen-fertilizer sales for the conterminous United States in 1985 |
| nit86 | Estimates of nitrogen-fertilizer sales for the conterminous United States in 1986 |
| nit87 | Estimates of nitrogen-fertilizer sales for the conterminous United States in 1987 |
| nit88 | Estimates of nitrogen-fertilizer sales for the conterminous United States in 1988 |
| nit89 | Estimates of nitrogen-fertilizer sales for the conterminous United States in 1989 |
| nit90 | Estimates of nitrogen-fertilizer sales for the conterminous United States in 1990 |
| nit91 | Estimates of nitrogen-fertilizer sales for the conterminous United States in 1991 |
| nit_hyd_fert | Raster dataset showing the probability of elevated concentrations of nitrate in ground water in Colorado, hydrogeomorphic regions and fertilizer use estimates included. |
| nit_hyd_nfert | Raster dataset showing the probability of elevated concentrations of nitrate in ground water in Colorado, hydrogeomorphic regions included and fertilizer use estimates not included. |
| nit_nhyd_fert | Raster dataset showing the probability of elevated concentrations of nitrate in ground water in Colorado, hydrogeomorphic regions not included and fertilizer use estimates included. |
| nit_nhyd_nfer | Raster dataset showing the probability of elevated concentrations of nitrate in ground water in Colorado, hydrogeomorphic regions and fertilizer use estimates not included. |
| nlcde92 | Enhanced National Land Cover Data 1992 (NLCDe 92) |
| nri92_cp312 | Agricultural Waste Management Systems on Agricultural Land in the Conterminous United States, 1992: National Resource Inventory Conservation Practice 312 |
| nv_dtw750nv_l | 1:750,000-scale static ground-water levels of Nevada |
| nv_ha750nv | 1:750,000-scale hydrographic areas and basin-wide pumpage, recharge and interbasin flow estimates of Nevada |
| nv_hlrnv_g | Hydrologic landscape regions of Nevada |
| nv_hydgeolnv_p | Hydrogeology of Nevada |
| oahu_lu98 | Land Use on the Island of Oahu, Hawaii, 1998 |
| ofr00-265_geol | Bedrock Geology of the turkey Creek Drainage Basin, Jefferson County, Colorado |
| ofr00-300_sattk9697 | Digital map of the saturated thickness of the High Plains aquifer in parts of Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas and Wyoming, 1996-97 |
| ofr00-96_wlc80_97 | Digital map of water-level changes in the High Plains aquifer in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming, 1980 to 1997 |
| ofr00471_ddwdpcon | Potentiometric surface contours for the Deadwood aquifer |
| ofr00471_ddwdpwpt | Wells used in the creation of potentiometric surface contours |
| ofr00471_ddwdscon | Geologic structure-contours for the top of the Deadwood Formation |
| ofr00471_ddwdsurf | Overlying surficial deposits and absent areas for the Deadwood Formation |
| ofr00471_ddwdswpt | Selected data for wells and test holes used in structure-contour maps of the Deadwood Formation in the Black Hills area, South Dakota. |
| ofr00471_geostruc | Major geologic structure coverage including anticlines and synclines |
| ofr00471_hydrogeo | Hydrogeologic unit map coverage |
| ofr00471_inkrpcon | Potentiometric surface contours for the Inyan Kara aquifer |
| ofr00471_inkrpwpt | Selected data for wells and test holes used in structure-contour maps of the Inyan Kara Group in the Black Hills area, South Dakota. |
| ofr00471_inkrscon | Geologic structure-contours for the top of the Inyan Kara Formation |
| ofr00471_inkrsurf | Overlying surficial deposits and absent areas for the Inyan Kara Formation |
| ofr00471_inkrswpt | Selected wells and test holes used in structure-contour |
| ofr00471_mdsnpcon | Potentiometric surface contours for the Madison aquifer |
| ofr00471_mdsnpwpt | Wells used in the creation of potentiometric surface contours |
| ofr00471_mdsnscon | Geologic structure-contours for the top of the Madison |
| ofr00471_mdsnsurf | Overlying surficial deposits and absent areas for the Madison Limestone, Black Hills area, South Dakota. |
| ofr00471_mdsnswpt | Selected wells and test holes used in structure-contour maps |
| ofr00471_mnktpcon | Potentiometric surface contours for the Minnekahta aquifer |
| ofr00471_mnktpwpt | Wells used in the creation of potentiometric surface contours |
| ofr00471_mnktscon | Geologic structure-contours for the top of the Minnekahta |
| ofr00471_mnktsurf | Overlying surficial deposits and absent areas for the Minnekahta |
| ofr00471_mnktswpt | Selected wells and test holes used in structure-contour maps |
| ofr00471_mnlspcon | Potentiometric surface contours for the Minnelusa aquifer |
| ofr00471_mnlspwpt | Wells used in the creation of potentiometric surface contours |
| ofr00471_mnlsscon | Geologic structure-contours for the top of the Minnelusa |
| ofr00471_mnlssurf | Overlying surficial deposits and absent areas for the Minnelusa |
| ofr00471_mnlsswpt | Selected wells and test holes used in structure-contour maps |
| ofr00471_spngppt | Spring point coverage for the potentiometric coverages |
| ofr02-007_lithogeo | Lithogeochemical Character of Near-Surface Bedrock in the New England Coastal Basins |
| ofr02-338_bedrock | Digital geospatial datasets in support of hydrologic investigations of the Colorado Front Range Infrastructure Resources Project |
| ofr02-338_depth2wt | Digital geospatial datasets in support of hydrologic investigations of the Colorado Front Range Infrastructure Resources Project |
| ofr02-338_outcrop | Digital geospatial datasets in support of hydrologic investigations of the Colorado Front Range Infrastructure Resources Project |
| ofr02-338_satzone | Digital geospatial datasets in support of hydrologic investigations of the Colorado Front Range Infrastructure Resources Project |
| ofr02-338_sedthick | Digital geospatial datasets in support of hydrologic investigations of the Colorado Front Range Infrastructure Resources Project |
| ofr02-338_stdyarea | Digital geospatial datasets in support of hydrologic investigations of the Colorado Front Range Infrastructure Resources Project |
| ofr02-338_watertbl | Digital geospatial datasets in support of hydrologic investigations of the Colorado Front Range Infrastructure Resources Project |
| ofr0264_aqbase | Digital map of the elevation of the base of the High Plains Aquifer in the Republican River Basin upstream of Hardy, Nebraska, in parts of Nebraska, Kansas, and Colorado |
| ofr0279_may75 | Streamflow gain/loss in the Republican River Basin, Nebraska, May 1975 |
| ofr0280_jul75 | Streamflow gain/loss in the Republican River Basin, Nebraska, July 1975 |
| ofr0281_oct75 | Streamflow gain/loss in the Republican River Basin, Nebraska, October 1975 |
| ofr0283_oct78 | Streamflow gain/loss in the Republican River Basin, Nebraska, October 1978 |
| ofr0284_may80 | Streamflow gain/loss in the Republican River Basin, Nebraska, April to May 1980 |
| ofr0285_oct80 | Streamflow gain/loss in the Republican River Basin, Nebraska, October 1980 |
| ofr0286_oct81 | Streamflow gain/loss in the Republican River Basin, Nebraska, October 1981 |
| ofr0287_mar89 | Streamflow gain/loss in the Republican River Basin, Nebraska, March 1989 |
| ofr0288_oct98 | Streamflow gain/loss in the Republican River Basin, Nebraska, October 1998 |
| ofr041189312 | ofr041189312 |
| ofr041189320 | ofr041189320 |
| ofr041189329 | ofr041189329 |
| ofr041189330 | ofr041189330 |
| ofr041189428 | ofr041189428 |
| ofr041189430 | ofr041189430 |
| ofr041189447 | ofr041189447 |
| ofr041189449 | ofr041189449 |
| ofr041189464 | ofr041189464 |
| ofr041189600 | ofr041189600 |
| ofr041189606 | ofr041189606 |
| ofr041189607 | ofr041189607 |
| ofr041189is01 | ofr041189is01 |
| ofr041189is02 | ofr041189is02 |
| ofr041189is03 | ofr041189is03 |
| ofr041189is04 | ofr041189is04 |
| ofr041189is05 | ofr041189is05 |
| ofr041189it01 | ofr041189it01 |
| ofr041189it02 | ofr041189it02 |
| ofr041189it03 | ofr041189it03 |
| ofr07-1056_all_trans.shp | Transects used for pre- and postconstruction data collection at constructed emergent sandbar habitats downstream from Gavins Point Dam near River Miles 761.4 and 769.8 on the Missouri River |
| ofr07-1056_dn_diff_tin | Difference betweem postconstruction and preconstruction land surface elevation tins on the Missouri River Downstream from Gavins Point Dam near River Mile 761.4. |
| ofr07-1056_dn_post_bathy.shp | Bathymetry data for the post-construction survey of the Emergent Sandbar Habitat project at river mile 761.4 downstream from Gavins Point dam on the Missouri River. |
| ofr07-1056_dn_post_gps.shp | GPS data collected for postconstruction hydrographic surveys of Missouri River downstream from Gavins Point Dam near river mile 761.4 |
| ofr07-1056_dn_post_tin | Postconstruction tin of land surface on the Missouri River downstream from Gavins Point Dam near River Mile 761.4 |
| ofr07-1056_dn_pre_bathy.shp | Bathymetry data for the pre-construction survey of the Emergent Sandbar Habitat project at river mile 761.4 downstream from Gavins Point dam on the Missouri River. |
| ofr07-1056_dn_pre_gps.shp | GPS data collected for preconstruction hydrographic surveys of Missouri River downstream from Gavins Point Dam near river mile 761.4 |
| ofr07-1056_up_diff_tin | Difference betweem postconstruction and preconstruction land surface elevation tins on the Missouri River Downstream from Gavins Point Dam near River Mile 769.8. |
| ofr07-1056_up_post_bathy.shp | Bathymetry data for the post-construction survey of the Emergent Sandbar Habitat project at river mile 769.8 downstream from Gavins Point Dam on the Missouri River. |
| ofr07-1056_up_post_gps.shp | GPS data collected for transects as part of the post-construction survey at Emergent Sandbar Habitat site on the Missouri River near river mile 769.8 |
| ofr07-1056_up_post_tin | Postconstruction tin of land surface on the Missouri River downstream from Gavins Point Dam near River Mile 769.8 |
| ofr07-1056_up_post_vel_array.shp | Postconstruction water velocity arrays collected at selected transects on the Missouri River downstream from Gavins Point Dam near River Mile 769.8 |
| ofr07-1056_up_post_vel_pt.shp | Postconstruction water velocity data collected at selected points on the Missouri River downstream from Gavins Point Dam near River Mile 769.8 |
| ofr07-1056_up_pre_bathy.shp | Bathymetry data for the pre-construction survey of the Emergent Sandbar Habitat project at river mile 769.8 downstream from Gavins Point Dam on the Missouri River. |
| ofr07-1056_up_pre_gps.shp | GPS data collected for transects as part of the pre-construction survey at Emergent Sandbar Habitat site on the Missouri River near river mile 769.8 |
| ofr96-443_aqbound | Digital data sets that describe aquifer characteristics of the Antlers aquifer in southeastern Oklahoma |
| ofr96-443_cond | Digital data sets that describe aquifer characteristics of the Antlers aquifer in southeastern Oklahoma |
| ofr96-443_recharg | Digital data sets that describe aquifer characteristics of the Antlers aquifer in southeastern Oklahoma |
| ofr96-443_wlelev | Digital data sets that describe aquifer characteristics of the Antlers aquifer in southeastern Oklahoma |
| ofr96-444_aqbound | Digital data sets that describe aquifer characteristics of the Vamoosa-Ada aquifer in east-central Oklahoma |
| ofr96-444_cond | Digital data sets that describe aquifer characteristics of the Vamoosa-Ada aquifer in east-central Oklahoma |
| ofr96-444_recharg | Digital data sets that describe aquifer characteristics of the Vamoosa-Ada aquifer in east-central Oklahoma |
| ofr96-444_wlelev | Digital data sets that describe aquifer characteristics of the Vamoosa-Ada aquifer in east-central Oklahoma |
| ofr96-445_aqbound | Digital data sets that describe aquifer characteristics of the alluvial and terrace deposits along the Cimarron River from Freedom to Guthrie in northwestern Oklahoma |
| ofr96-445_cond | Digital data sets that describe aquifer characteristics of the alluvial and terrace deposits along the Cimarron River from Freedom to Guthrie in northwestern Oklahoma |
| ofr96-445_recharg | Digital data sets that describe aquifer characteristics of the alluvial and terrace deposits along the Cimarron River from Freedom to Guthrie in northwestern Oklahoma |
| ofr96-445_wlelev | Digital data sets that describe aquifer characteristics of the alluvial and terrace deposits along the Cimarron River from Freedom to Guthrie in northwestern Oklahoma |
| ofr96-446_aqbound | Digital data sets that describe aquifer characteristics of the alluvial and terrace deposits along the Beaver-North Canadian River from the panhandle to Canton Lake in northwestern Oklahoma |
| ofr96-446_cond | Digital data sets that describe aquifer characteristics of the alluvial and terrace deposits along the Beaver-North Canadian River from the panhandle to Canton Lake in northwestern Oklahoma |
| ofr96-446_recharg | Digital data sets that describe aquifer characteristics of the alluvial and terrace deposits along the Beaver-North Canadian River from the panhandle to Canton Lake in northwestern Oklahoma |
| ofr96-446_wlelev | Digital data sets that describe aquifer characteristics of the alluvial and terrace deposits along the Beaver-North Canadian River from the panhandle to Canton Lake in northwestern Oklahoma |
| ofr96-447_aqbound | Digital data sets that describe aquifer characteristics of the alluvial and terrace deposits along the North Canadian River from Canton Lake to Lake Overholser in central Oklahoma |
| ofr96-447_cond | Digital data sets that describe aquifer characteristics of the alluvial and terrace deposits along the North Canadian River from Canton Lake to Lake Overholser in central Oklahoma |
| ofr96-447_recharg | Digital data sets that describe aquifer characteristics of the alluvial and terrace deposits along the North Canadian River from Canton Lake to Lake Overholser in central Oklahoma |
| ofr96-447_wlelev | Digital data sets that describe aquifer characteristics of the alluvial and terrace deposits along the North Canadian River from Canton Lake to Lake Overholser in central Oklahoma |
| ofr96-448_aqbound | Digital data sets that describe aquifer characteristics of the alluvial and terrace deposits along the North Canadian River from Oklahoma City to Eufaula Lake in east-central Oklahoma |
| ofr96-448_cond | Digital data sets that describe aquifer characteristics of the alluvial and terrace deposits along the North Canadian River from Oklahoma City to Eufaula Lake in east-central Oklahoma |
| ofr96-448_recharg | Digital data sets that describe aquifer characteristics of the alluvial and terrace deposits along the North Canadian River from Oklahoma City to Eufaula Lake in east-central Oklahoma |
| ofr96-448_wlelev | Digital data sets that describe aquifer characteristics of the alluvial and terrace deposits along the North Canadian River from Oklahoma City to Eufaula Lake in east-central Oklahoma |
| ofr96-449_aqbound | Digital data sets that describe aquifer characteristics of the Elk City aquifer in western Oklahoma |
| ofr96-449_cond | Digital data sets that describe aquifer characteristics of the Elk City aquifer in western Oklahoma |
| ofr96-449_recharg | Digital data sets that describe aquifer characteristics of the Elk City aquifer in western Oklahoma |
| ofr96-449_wlelev | Digital data sets that describe aquifer characteristics of the Elk City aquifer in western Oklahoma |
| ofr96-450_aqbound | Digital data sets that describe aquifer characteristics of the Enid isolated terrace aquifer in northwestern Oklahoma |
| ofr96-450_cond | Digital data sets that describe aquifer characteristics of the Enid isolated terrace aquifer in northwestern Oklahoma |
| ofr96-450_recharg | Digital data sets that describe aquifer characteristics of the Enid isolated terrace aquifer in northwestern Oklahoma |
| ofr96-450_wlelev | Digital data sets that describe aquifer characteristics of the Enid isolated terrace aquifer in northwestern Oklahoma |
| ofr96-451_aqbound | Digital data sets that describe aquifer characteristics of the High Plains aquifer in western Oklahoma |
| ofr96-451_cond | Digital data sets that describe aquifer characteristics of the High Plains aquifer in western Oklahoma |
| ofr96-451_recharg | Digital data sets that describe aquifer characteristics of the High Plains aquifer in western Oklahoma |
| ofr96-451_wlelev | Digital data sets that describe aquifer characteristics of the High Plains aquifer in western Oklahoma |
| ofr96-452_aqbound | Digital data sets that describe aquifer characteristics of the Tillman terrace and alluvial aquifer in southwestern Oklahoma |
| ofr96-452_cond | Digital data sets that describe aquifer characteristics of the Tillman terrace and alluvial aquifer in southwestern Oklahoma |
| ofr96-452_recharg | Digital data sets that describe aquifer characteristics of the Tillman terrace and alluvial aquifer in southwestern Oklahoma |
| ofr96-452_wlelev | Digital data sets that describe aquifer characteristics of the Tillman terrace and alluvial aquifer in southwestern Oklahoma |
| ofr96-453_aqbound | Digital data sets that describe aquifer characteristics of the Rush Springs aquifer in western Oklahoma |
| ofr96-453_cond | Digital data sets that describe aquifer characteristics of the Rush Springs aquifer in western Oklahoma |
| ofr96-453_recharg | Digital data sets that describe aquifer characteristics of the Rush Springs aquifer in western Oklahoma |
| ofr96-453_wlelev | Digital data sets that describe aquifer characteristics of the Rush Springs aquifer in western Oklahoma |
| ofr96-454_aqbound | Digital data sets that describe aquifer characteristics of the Central Oklahoma aquifer in central Oklahoma |
| ofr96-454_cond | Digital data sets that describe aquifer characteristics of the Central Oklahoma aquifer in central Oklahoma |
| ofr96-454_recharg | Digital data sets that describe aquifer characteristics of the Central Oklahoma aquifer in central Oklahoma |
| ofr96-454_wlelev | Digital data sets that describe aquifer characteristics of the Central Oklahoma aquifer in central Oklahoma |
| ofr96395_eva | Mean annual runoff, precipitation, and evapotranspiration in the glaciated northeastern United States, 1951-80 |
| ofr96395_pre | Mean annual runoff, precipitation, and evapotranspiration in the glaciated northeastern United States, 1951-80 |
| ofr96395_run | Mean annual runoff, precipitation, and evapotranspiration in the glaciated northeastern United States, 1951-80 |
| ofr97-574_maprecip | Grid of mean annual precipitation for Oklahoma, 1961-1990 base period. |
| ofr97-574_ok_maprecip | Grid of mean annual precipitation for Oklahoma, 1961-1990 base period. |
| ofr97-574_ok_skew | Generalized peak skew coefficients for Oklahoma, 1961-1990 base period. |
| ofr97-574_skew | Generalized peak skew coefficients for Oklahoma, 1961-1990 base period. |
| ofr98-393_aqbase | Digital Map Of Base of Aquifer for High Plains Aquifer in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming |
| ofr98-414 | Digital map of specific yield for High Plains aquifer in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming |
| ofr98-548 | Digital map of hydraulic conductivity for the High Plains aquifer in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming |
| ofr99-197_wlc80_95 | Digital data set of water-level changes in the High Plains aquifer in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming, 1980 to 1995 |
| ofr99-198_wlc80_96 | Digital data set of water-level changes in the High Plains aquifer in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming, 1980 to 1996 |
| ofr99-214_hpbedrock | This geospatial data set consists of the bedrock formations of the High Plains aquifer, which underlies parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming. |
| ofr99-261 | Digital map of geologic faults for the High Plains aquifer in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming |
| ofr99-262 | Digital map of saturated thickness in 1980 for the High Plains aquifer in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming |
| ofr99-263 | Digital map of water levels in 1980 for the High Plains aquifer in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming |
| ofr99-264 | Digital map of predevelopment water levels for the High Plains aquifer in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming |
| ofr99-265 | Digital map of changes in water levels from predevelopment to 1980 for the High Plains aquifer in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming |
| ofr99-266 | Digital map of areas of little or no saturated thickness for the High Plains aquifer in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming |
| ofr99-267 | Digital map of aquifer boundary for the High Plains aquifer in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming |
| ofr99-463_contours | Digital Data Sets of Depth-Duration Frequency of Precipitation for Oklahoma, USGS OFR 99-463. |
| ofr99-463_county | Digital Data Sets of Depth-Duration Frequency of Precipitation for Oklahoma, USGS OFR 99-463. |
| ofr99-463_sites | Digital Data Sets of Depth-Duration Frequency of Precipitation for Oklahoma, USGS OFR 99-463. |
| ofr99-463_surfaces | Digital Data Sets of Depth-Duration Frequency of Precipitation for Oklahoma, USGS OFR 99-463. |
| ofr99-77_aquif75m | Digital data set describing principal aquifers in the conterminous US |
| ofr99-77_geol75m | Digital data set describing surficial geology in the conterminous US |
| ofr99-77_gwregion | Digital data set describing ground-water regions in the conterminous US |
| ofr99-77_gwreguw | Digital data set describing ground-water regions with unconsolidated watercourses in the conterminous US |
| ofr99-78_cowu95 | Digital data sets describing county water use for 1995 in the conterminous US |
| ofr99-78_eftri | Digital data sets describing Toxics Release Inventory locations with 1995 VOC releases in the conterminous US |
| ofr99-78_metropop | Digital data sets describing metropolitan areas in the conterminous US |
| ofr99-78_popdeng | Digital data sets describing population density in the conterminous US |
| ofr99-96_wlc80_94 | Digital data set of water-level changes in the High Plains aquifer in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming, 1980 to 1994 |
| pesticide_use92 | 1992 County Pesticide Use Estimates for 200 Compounds |
| pesticide_use97 | 1997 County Pesticide Use Estimates for 220 Compounds |
| photo | Photographs used to verify ET units classified in the major discharge areas of Death Valley regional |
| physio | Physiographic divisions of the conterminous U. S. |
| places | City locations for all places in the TIGER files |
| powder_hub | Digital Hydrologic Cataloging-Unit Boundaries for the Powder River, Wyoming, at 1:24,000 Scale |
| qsitesdd | Flow characteristics at U.S. Geological Survey streamgages in the conterminous United States. |
| raintin | Tin of average annuall rainfall amounts for Ohio (in inches) |
| realstx | Realtime USGS Streamflow Stations |
| rech48grd | Estimated mean annual natural ground-water recharge in the conterminous United States |
| regolith | Superfund GIS - Regolith thickness in Tennessee |
| reservoir | Summary of selected characteristics of large reservoirs |
| runoff | Average annual runoff in the United States, 1951-80 |
| satof48 | Saturation overland flow estimated by TOPMODEL for the conterminous United States |
| sd_ddwd_dep | Depth to top of the Deadwood Formation |
| sd_inkr_dep | Depth to top of the Inyan Kara Group |
| sd_lcsens_da | Polygons Representing Drainage Areas Upstream from Potential Stremflow-loss Zones in Lawrence County, SD |
| sd_lcsens_lz | Arcs Representing Potential Streamflow-loss Zones in Lawrence County, SD |
| sd_lcsens_pol | Polygons Representing Sensitivity of Ground Water to Contamination in Lawrence County, SD |
| sd_mdsn_dep | Depth to top of the Madison Limestone |
| sd_mdsn_thk | Generalized thickness of the Madison Limestone and Englewood Formation, Black Hills, South Dakota. |
| sd_mdsnst_thk | Saturated thickness of the Madison aquifer, Black Hills, South Dakota. |
| sd_mnkt_dep | Depth to top of the Minnekahta Limestone |
| sd_mnls_dep | Depth to top of the Minnelusa Formation |
| sd_mnls_thk | Generalized thickness of the Minnelusa Formation, Black Hills, South Dakota. |
| sd_mnlsst_thk | Saturated thickness of the Minnelusa aquifer, Black Hills, South Dakota. |
| sd_pr5098 | Isohyetal map showing distribution of average annual precipitation for the Black Hills area, South Dakota, water years 1950-98 |
| sd_pr6190 | Isohyetal map showing distribution of average annual precipitation for the Black Hills area, South Dakota, water years 1961-90 |
| sd_prgages | Measured and estimated monthly precipitation values for precipitation gages in the Black Hills area, South Dakota, water years 1931-98 |
| sd_re5098 | Generalized average annual yield efficiency (in percent of annual precipitation) for the Black Hills area, South Dakota, water years 1950-98 |
| sfbc | WATSTORE Stream Flow Basin Characteristics File |
| sgpwa_drg27_image | Topographic Map image of the San Gorgonio Pass area, Riverside County, California. |
| sgpwa_hill27_image | Hillshade of the San Gorgonio Pass area, Riverside County, California. |
| sgpwa_lsat27_image | LandSat7 image of the San Gorgonio Pass area, Riverside County, California. |
| sgpwa_utm27f | Digital Elevation Model of the San Gorgonio Pass area, elevation values in feet, Riverside County, California. |
| sgpwa_utm27m | A 30 meter Digital Elevation Model (DEM) of the San Gorgonio Pass area, Riverside County, California. |
| sim06-2949A_dar_bndry | Lake Darling Boundary (polygon) - Edge of water at lake-surface elevation, 656.1 ft above NAVD 88. |
| sim06-2949A_dar_bth_cont | Bathymetric Contours for Lake Darling, Washington County, Iowa |
| sim06-2949A_dar_islands | Lake Darling Islands (polygon) - Edge of water at lake-surface elevation, 656.1 ft above NAVD 88. |
| sim06-2949A_dar_targpts | Individual Target Data-Collection Points for Lake Darling, Washington County, Iowa |
| sim06-2949A_dar_tinpts | Data-Collection Points Along Transects and Around Perimeter for Lake Darling, Washington County, Iowa |
| sim06-2949B_litt_bndry | Littlefield Lake Boundary (polygon) - Edge of water at lake-surface elevations, 1293.6 ft above NAVD 88 for main lake and 1296.9 ft above NAVD88 upstream of siltation dam |
| sim06-2949B_litt_bth_cont | Bathymetric Contours for Littlefield Lake, Audubon County, Iowa |
| sim06-2949B_litt_targpts | Individual Target Data-Collection Points for Littlefield Lake, Audubon County, Iowa |
| sim06-2949B_litt_tinpts20 | Data-Collection Points Along Transects and Around Perimeter at Littlefield Lake, Audubon County, Iowa |
| sim06-2949C_min_bndry | Lake Minnewashta Boundary (polygon) - Edge of water at lake-surface elevation, 1394.5 ft above NGVD 29 |
| sim06-2949C_min_bth_cont | Bathymetric Contours for Lake Minnewashta, Dickinson County, Iowa |
| sim06-2949C_min_targpts | Individual Target Data-Collection Points for Lake Minnewashta, Dickinson County, Iowa |
| sim06-2949C_min_tinpts | Data-Collection Points Along Transects and Around Perimeter of Lake Minnewashta, Dickinson County, Iowa |
| sim06-2949E_pr_bndry | Prairie Rose Lake Boundary (polygon) - Edge of water at lake-surface elevations, 1227.9 ft above NAVD 88 for the main lake and 1229.6 ft above NAVD 88 upstream of the siltation dam |
| sim06-2949E_pr_bth_cont | Bathymetric Contours for Prairie Rose Lake, Shelby County, Iowa |
| sim06-2949E_pr_targpts | Individual Target Data-Collection Points for the Main Portion of Prairie Rose Lake, Shelby County, Iowa |
| sim06-2949E_pr_targsdam | Individual Target Data-Collection Points Upstream of the Siltation Dam at Prairie Rose Lake, Shelby County, Iowa |
| sim06-2949E_pr_tinpts30 | Data-Collection Points Along Transects and Around Perimeter at Prairie Rose Lake, Shelby County, Iowa |
| sim06-2949F_ugar_bndry | Upper Gar Lake Boundary (polygon) - Edge of water at lake-surface elevation, 1394.7 ft above NGVD 29 |
| sim06-2949F_ugar_bth_cont | Bathymetric Contours for Upper Gar Lake, Dickinson County, Iowa |
| sim06-2949F_ugar_targpts | Individual Target Data-Collection Points for Upper Gar Lake, Dickinson County, Iowa |
| sim06-2949F_ugar_tinpts | Data-Collection Points Along Transects and Around Perimeter at Upper Gar Lake, Dickinson County, Iowa |
| sim06_2949D_eag_bndry | Nine Eagles Lake Boundary (polygon) - Edge of water at lake-surface elevation, 937.0 ft above NAVD 88 |
| sim06_2949D_eag_bth_cont | Bathymetric Contours for Nine Eagles Lake, Decatur County, Iowa |
| sim06_2949D_eag_targpts | Individual Target Data-Collection Points for Nine Eagles Lake, Decatur County, Iowa |
| sim06_2949D_eag_tinpts20 | Data-Collection Points Along Transects and Around Perimeter of Nine Eagles Lake, Decatur County, Iowa |
| sir045205_bnd | Lateral boundary of the transient ground-water flow model, Death Valley regional ground-water flow system, Nevada and California |
| sir045205_bnd_3x325 | Study area boundary for the Death Valley regional ground-water flow system, Nevada and California |
| sir045205_bnd_dv_pp1370f | Boundary of the Death Valley region by Bedinger and others (1989), for the Death Valley regional ground-water flow system study, Nevada and California |
| sir045205_bnd_model_wri964300 | Boundary of the ground-water flow model by D'Agnese and others (1997), for the Death Valley regional ground-water flow system study, Nevada and California |
| sir045205_bnd_pp1409a | Historical boundary of the Death Valley regional ground-water flow system by Harrill and Prudic (1998), for the Death Valley regional ground-water flow system study, Nevada and California |
| sir045205_bnd_wri024102 | Lateral boundary of the steady-state ground-water flow model by D'Agnese and others (2002), Death Valley regional ground-water flow system, Nevada and California |
| sir045205_bnd_wri964300 | Flow system boundary by D'Agnese and others (1997) for the Death Valley regional ground-water flow system study, Nevada and California |
| sir045205_chds | Simulated constant-head boundary for the transient ground-water flow model, Death Valley regional ground-water flow system, Nevada and California |
| sir045205_deserts_sw | Deserts of the southwestern United States, for the Death Valley regional ground-water flow system study, Nevada and California |
| sir045205_drains | Discharge areas for the transient ground-water flow model, Death Valley regional ground-water flow system, Nevada and California |
| sir045205_dv_mosaic | False-color composite of Landsat data for the Death Valley regional ground-water flow system project, Nevada and California |
| sir045205_dvrfs_harrill_contarea | Boundary of the area contributing flow to the Death Valley regional ground-water flow system, Nevada and California |
| sir045205_geology_xsecs | Traces of geologic and hydrogeologic cross sections used to develop the hydrogeologic framework model of the Death Valley regional ground-water flow system, Nevada and California |
| sir045205_hd16_t0_tr | Simulated potentiometric surface contours of prepumping conditions in layer 16 of the transient ground-water flow model of the Death Valley regional ground-water flow system, Nevada and California |
| sir045205_hd16_t85_tr | Simulated potentiometric surface contours at end of simulation (1998) in model layer 16 of the transient ground-water flow model of the Death Valley regional ground-water flow system, Nevada and California |
| sir045205_hd1_t0_tr | Simulated potentiometric surface contours of prepumping conditions in layer 1 of the transient ground-water flow model of the Death Valley regional ground-water flow system, Nevada and California |
| sir045205_hd1_t85_tr | Simulated potentiometric surface contours at end of simulation (1998) in model layer 1 of the transient ground-water flow model of the Death Valley regional ground-water flow system, Nevada and California |
| sir045205_hfbs | Horizontal flow barriers for the transient ground-water flow model, Death Valley regional ground-water flow system, Nevada and California |
| sir045205_hfbs_geo | Potential structural barriers to ground-water flow, Death Valley regional ground-water flow system, Nevada and California |
| sir045205_hfm_thick | Thicknesses of hydrogeologic units used in the hydrogeologic framework and transient ground-water flow model of the Death Valley regional ground-water flow system, Nevada and California |
| sir045205_hfm_top | Surface altitudes of hydrogeologic units used in the hydrogeologic framework and transient ground-water flow model of the Death Valley regional ground-water flow system, Nevada and California |
| sir045205_hobs_ss | Locations, values, and uncertainties of hydraulic-head observations for the steady-state, prepumped period of the transient ground-water flow model, Death Valley regional ground-water flow system, Nevada and California |
| sir045205_hobs_sstr | Locations, values, and uncertainties of hydraulic-head observations for the transient ground-water flow model, Death Valley regional ground-water flow system, Nevada and California |
| sir045205_hydro_geo | Hydrogeologic map of the Death Valley regional ground-water flow system, Nevada and California |
| sir045205_model_cells | Model grid and infiltration values for the transient ground-water flow model, Death Valley regional ground-water flow system, Nevada and California |
| sir045205_model_layers | Altitudes of the top of model layers for the transient ground-water flow model, Death Valley regional ground-water flow system, Nevada and California |
| sir045205_pot_wri974052 | Estimated potentiometric surface by D'Agnese and others (1998), for the Death Valley regional ground-water flow system study, Nevada and California |
| sir045205_pumping | Pumpage for the transient ground-water flow model, Death Valley regional ground-water flow system, Nevada and California |
| sir045205_rch_model1 | Net infiltration of the Death Valley regional ground-water flow system, Nevada and California |
| sir045205_regpot | Regional potentiometric-surface contours by Bedinger and Harrill (2004), for the Death Valley regional ground-water flow system study, Nevada and California |
| sir045205_regpot_deepwl | Reference wells for the regional ground-water potential map by Bedinger and Harrill (2004), Death Valley regional ground-water flow system, Nevada and California |
| sir045205_regpot_spr_ca | Reference springs in California for the regional ground-water potential map by Bedinger and Harrill (2004), Death Valley regional ground-water flow system, Nevada and California |
| sir045205_regpot_spr_nv | Reference springs in Nevada for the regional ground-water potential map by Bedinger and Harrill (2004), Death Valley regional ground-water flow system, Nevada and California |
| sir045205_regpot_wl_ca | Topographic reference points in California for the regional ground-water potential map by Bedinger and Harrill (2004), Death Valley regional ground-water flow system, Nevada and California |
| sir045205_regpot_wl_nv | Topographic reference points in Nevada for the regional ground-water potential map by Bedinger and Harrill (2004), Death Valley regional ground-water flow system, Nevada and California |
| sir045205_start_heads | Initial hydraulic heads for the transient ground-water flow model, Death Valley regional ground-water flow system, Nevada and California |
| sir045205_subreg | Subregions of the Death Valley regional ground-water flow system, Nevada and California |
| sir045205_swnvf | Boundary of the southwestern Nevada volcanic field from Laczniak and others (1996), for the Death Valley regional ground-water flow system study, Nevada and California |
| sir045205_ugta_flow_bnd | Boundary of the ground-water flow model by IT Corporation (1996), for the Death Valley regional ground-water flow system study, Nevada and California |
| sir045205_ugta_hfm_bnd | Boundary of the hydrogeologic framework model by IT Corporation (1996), for the Death Valley regional ground-water flow system study, Nevada and California |
| sir045205_zones | Material-property zones used in the transient ground-water flow model of the Death Valley regional ground-water flow system, Nevada and California |
| sir2004-5155_geol250 | 1:250,000-scale geology of the Dry Valley Hydrographic Area, Nevada and California |
| sir2004-5186_eff_p | Areas permitted for irrigation, storage, evaporation, and disposal of treated sewage effluent in the upper Carson River Basin, Nevada and California |
| sir2004-5186_geol250 | 1:250,000-scale geology of the Carson River Basin, Nevada and California |
| sir2005-5073_CBRWM_LandSegments | SIR2005-5073_CBRWM_LandSegments |
| sir2005-5073_CBRWM_watersheds | SIR2005-5073_CBRWM_watersheds |
| sir2005-5153_ohio_bankfull_data | Geomorphic, basin-characteristic, and peak-streamflow data for 50 streams in Ohio |
| sir2005_5073_CBland | Chesapeake Bay Land segments |
| sir2006-5100_dtwha153_l | Depth to ground water contours of hydrographic area 153, Diamond Valley, Nevada |
| sir2006-5100_dtwnv_g | Depth to ground water of Nevada |
| sir2006-5100_wanv_g | Water-table altitude of Nevada |
| sir2006-5100_wanv_l | Water-table contours of Nevada |
| sir2007-5087_etunit | Evapotranspiration units in the Basin and Range carbonate-rock aquifer system, White Pine County, Nevada, and adjacent parts of Nevada and Utah |
| sir2007-5087_potgwdischarge | Potential areas of ground-water discharge in the Basin and Range carbonate-rock aquifer system, White Pine County, Nevada, and adjacent parts of Nevada and Utah |
| states2m | 1:2,000,000-scale state boundaries of the conterminous United States |
| statsoil | Superfund GIS - Soil thickness, permeability, texture, and classification in Tennessee |
| stream | 1:2,000,000-scale Digital Line Graph files of streams |
| streamclp | Ohio-drainage stream centerline coverage for use with Water Resources Investigations Report 03-4164 |
| streamgages | USGS Streamgages Linked to the Medium Resolution NHD |
| sw_site_yell | Surface-water sampling stations, National Water-Quality Assessment, Yellowstone River Basin, Montana, North Dakota, and Wyoming |
| uspop80 | 1980 point population coverage for the Conterminous United States |
| uspop90 | 1990 point population coverage for the Conterminous United States |
| uspopd00x10g | 2000 population density by block group for the conterminous United States |
| uspopd90x10g | 1990 population density by block group for the conterminous United States |
| ussoils | Soils data for the Conterminous United States Derived from the NRCS State Soil Geographic (STATSGO) Data Base. [Original title: State Soil Geographic (STATSGO) Data Base for the Conterminous United States.] |
| ut_beaver | Hydrologic Data Sites for Beaver County, Utah |
| ut_beaver_qw | Specific Water Quality Sites for Beaver County, Utah |
| ut_boxelder | Hydrologic Data Sites for Boxelder County, Utah |
| ut_boxelder_qw | Specific Water Quality Sites for Boxelder County, Utah |
| ut_cache | Hydrologic Data Sites for Cache County, Utah |
| ut_cache_qw | Specific Water Quality Sites for Cache County, Utah |
| ut_carbon | Hydrologic Data Sites for Carbon County, Utah |
| ut_carbon_qw | Specific Water Quality Sites for Carbon County, Utah |
| ut_daggett | Hydrologic Data Sites for Daggett County, Utah |
| ut_daggett_qw | Specific Water Quality Sites for Daggett County, Utah |
| ut_davis | Hydrologic Data Sites for Davis County, Utah |
| ut_davis_qw | Specific Water Quality Sites for Davis County, Utah |
| ut_duchesne | Hydrologic Data Sites for Duchesne County, Utah |
| ut_duchesne_qw | Specific Water Quality Sites for Duchesne County, Utah |
| ut_emery | Hydrologic Data Sites for Emery County, Utah |
| ut_emery_qw | Specific Water Quality Sites for Emery County, Utah |
| ut_garfield | Hydrologic Data Sites for Garfield County, Utah |
| ut_garfield_qw | Specific Water Quality Sites for Garfield County, Utah |
| ut_grand | Hydrologic Data Sites for Grand County, Utah |
| ut_grand_qw | Specific Water Quality Sites for Grand County, Utah |
| ut_iron | Hydrologic Data Sites for Iron County, Utah |
| ut_iron_qw | Specific Water Quality Sites for Iron County, Utah |
| ut_juab | Hydrologic Data Sites for Juab County, Utah |
| ut_juab_qw | Specific Water Quality Sites for Juab County, Utah |
| ut_kane | Hydrologic Data Sites for Kane County, Utah |
| ut_kane_qw | Specific Water Quality Sites for Kane County, Utah |
| ut_millard | Hydrologic Data Sites for Millard County, Utah |
| ut_millard_qw | Specific Water Quality Sites for Millard County, Utah |
| ut_morgan | Hydrologic Data Sites for Morgan County, Utah |
| ut_morgan_qw | Specific Water Quality Sites for Morgan County, Utah |
| ut_piute | Hydrologic Data Sites for Piute County, Utah |
| ut_piute_qw | Specific Water Quality Sites for Piute County, Utah |
| ut_rich | Hydrologic Data Sites for Rich County, Utah |
| ut_rich_qw | Specific Water Quality Sites for Rich County, Utah |
| ut_saltlake | Hydrologic Data Sites for Saltlake County, Utah |
| ut_saltlake_qw | Specific Water Quality Sites for Saltlake County, Utah |
| ut_sanjuan | Hydrologic Data Sites for Sanjuan County, Utah |
| ut_sanjuan_qw | Specific Water Quality Sites for Sanjuan County, Utah |
| ut_sanpete | Hydrologic Data Sites for Sanpete County, Utah |
| ut_sanpete_qw | Specific Water Quality Sites for Sanpete County, Utah |
| ut_sevier | Hydrologic Data Sites for Sevier County, Utah |
| ut_sevier_qw | Specific Water Quality Sites for Sevier County, Utah |
| ut_summit | Hydrologic Data Sites for Summit County, Utah |
| ut_summit_qw | Specific Water Quality Sites for Summit County, Utah |
| ut_tooele | Hydrologic Data Sites for Tooele County, Utah |
| ut_tooele_qw | Specific Water Quality Sites for Tooele County, Utah |
| ut_uintah | Hydrologic Data Sites for Uintah County, Utah |
| ut_uintah_qw | Specific Water Quality Sites for Uintah County, Utah |
| ut_utah | Hydrologic Data Sites for Utah County, Utah |
| ut_utah_qw | Specific Water Quality Sites for Utah County, Utah |
| ut_wasatch | Hydrologic Data Sites for Wasatch County, Utah |
| ut_wasatch_qw | Specific Water Quality Sites for Wasatch County, Utah |
| ut_washington | Hydrologic Data Sites for Washington County, Utah |
| ut_washington_qw | Specific Water Quality Sites for Washington County, Utah |
| ut_wayne | Hydrologic Data Sites for Wayne County, Utah |
| ut_wayne_qw | Specific Water Quality Sites for Wayne County, Utah |
| ut_weber | Hydrologic Data Sites for Weber County, Utah |
| ut_weber_qw | Specific Water Quality Sites for Weber County, Utah |
| varindexgrid | Grid of streamflow variability index for Ohio |
| wri99-4000_lithogeo | Lithogeochemical Character of Near-Surface Bedrock in the Connecticut, Housatonic and Thames River Basins |
| wrir84-4119c_ds500nv | 1:500,000-scale dissolved solids in ground water in the Basin and Range Province of Nevada |
| wrir99-4188_cv_x | Ground-water monitoring sites for Carson Valley, Nevada |
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