<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="fgdc_classic.xsl"?>
<metadata xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://water.usgs.gov/GIS/metadata/usgswrd/fgdc-std-001-1998.xsd">
	<idinfo>
		<citation>
			<citeinfo>
				<origin>Michael E. Wieczorek</origin>
				<origin>Andrew E. LaMotte</origin>
				<pubdate>2010</pubdate>
				<title>Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: Nutrient Inputs from Fertilizer and Manure, Nitrogen and Phosphorus (N&amp;P), 2002</title>
				<geoform>tabular digital data</geoform>
				<serinfo>
					<sername>Digital Data Series</sername>
					<issue>DS-490-17</issue>
				</serinfo>
				<pubinfo>
					<pubplace>Reston, Virginia</pubplace>
					<publish>U.S. Geological Survey</publish>
				</pubinfo>
				<onlink>http://water.usgs.gov/lookup/getspatial?nhd_nutrients</onlink>
			</citeinfo>
		</citation>
		<descript>
			<abstract>This data set represents the estimated amount of nitrogen and phosphorus in kilograms for the year 2002, compiled for every catchment of NHDPlus for the conterminous United States. The source data set is County-Level Estimates of Nutrient Inputs to the Land Surface of the Conterminous United States, 1982-2001 (Ruddy and others, 2006).

The NHDPlus Version 1.1 is an integrated suite of application-ready geospatial datasets that incorporates many of the best features of the National Hydrography Dataset (NHD) and the National Elevation Dataset (NED). The NHDPlus includes a stream network (based on the 1:100,00-scale NHD), improved networking, naming, and value-added attributes (VAAs). NHDPlus also includes elevation-derived catchments (drainage areas) produced using a drainage enforcement technique first widely used in New England, and thus referred to as "the New England Method." This technique involves "burning in" the 1:100,000-scale NHD and when available building "walls" using the National Watershed Boundary Dataset (WBD). The resulting modified digital elevation model (HydroDEM) is used to produce hydrologic derivatives that agree with the NHD and WBD. Over the past two years, an interdisciplinary team from the U.S. Geological Survey (USGS), and the U.S. Environmental Protection Agency (USEPA), and contractors, found that this method produces the best quality NHD catchments using an automated process (USEPA, 2007). The NHDPlus dataset is organized by 18 Production Units that cover the conterminous United States.

The NHDPlus version 1.1 data are grouped by the U.S. Geologic Survey's  Major River Basins (MRBs, Crawford and others, 2006).  MRB1, covering the New England and Mid-Atlantic River basins, contains NHDPlus Production Units 1 and 2.  MRB2, covering the South Atlantic-Gulf and Tennessee River basins, contains NHDPlus Production Units 3 and 6.  MRB3, covering the Great Lakes, Ohio, Upper Mississippi, and Souris-Red-Rainy River basins, contains NHDPlus Production Units 4, 5, 7 and 9.  MRB4, covering the Missouri River basins, contains NHDPlus Production Units 10-lower and 10-upper.  MRB5, covering the Lower Mississippi, Arkansas-White-Red, and Texas-Gulf River basins, contains NHDPlus Production Units 8, 11 and 12.  MRB6, covering the Rio Grande, Colorado and Great Basin River basins, contains NHDPlus Production Units 13, 14, 15 and 16.  MRB7, covering the Pacific Northwest River basins, contains NHDPlus Production Unit 17.  MRB8, covering California River basins, contains NHDPlus Production Unit 18.</abstract>
			<purpose>This spatial data set was created and used by the U.S. Geological Survey (USGS) specifically to estimate nitrogen and phosphorus inputs from manure and fertilizer per watershed segment in the application of the national SPAtially Referenced Regression On Watershed attributes (SPARROW) model . The SPARROW model relates in-stream water-quality measurements to spatially referenced characteristics of watersheds, including contaminant sources and factors influencing terrestrial and stream transport. The model empirically estimates the origin and fate of contaminants in streams, and quantifies uncertainties in these estimates based on model coefficient error and unexplained variability in the observed data. For more information on the USGS SPARROW model please refer to: http://water.usgs.gov/nawqa/sparrow/intro/intro.html.</purpose>
		</descript>
		<timeperd>
			<timeinfo>
				<sngdate>
					<caldate>2002</caldate>
				</sngdate>
			</timeinfo>
			<current>publication date</current>
		</timeperd>
		<status>
			<progress>Complete</progress>
			<update>None planned</update>
		</status>
		<spdom>
			<bounding>
				<westbc>-127.910792</westbc>
				<eastbc>-65.327751</eastbc>
				<northbc>51.657387</northbc>
				<southbc>23.243486</southbc>
			</bounding>
		</spdom>
		<keywords>
			<theme>
				<themekt>None</themekt>
				<themekey>Nutrients</themekey>
				<themekey>Inlandwaters</themekey>
				<themekey>NHDPlus</themekey>
				<themekey>Catchment</themekey>
				<themekey>NAWQA</themekey>
				<themekey>SPARROW</themekey>
			</theme>
			<place>
			<placekt>None</placekt>
				<placekey>Conterminous United States</placekey>
				<placekey>MRB</placekey>
				<placekey>Major River Basin</placekey>
				<placekey>MRB1</placekey>
				<placekey>NEMA</placekey>
				<placekey>New England and Mid-Atlantic</placekey>
				<placekey>MRB2</placekey>
				<placekey>SAGT</placekey>
				<placekey>South Atlantic-Gulf and Tennessee</placekey>
				<placekey>MRB3</placekey>
				<placekey>GLMR</placekey>
				<placekey>Great Lakes, Ohio, Upper Mississippi, and Souris-Red-Rainy</placekey>
				<placekey>MRB4</placekey>
				<placekey>MORI</placekey>
				<placekey>Missouri</placekey>
				<placekey>MRB5</placekey>
				<placekey>LMTG</placekey>
				<placekey>Lower Mississippi, Arkansas-White-Red, and Texas-Gulf</placekey>
				<placekey>MRB6</placekey>
				<placekey>COGB</placekey>
				<placekey>Rio Grande, Colorado, and Great Basin</placekey>
				<placekey>MRB7</placekey>
				<placekey>PANW</placekey>
				<placekey>Pacific Northwest</placekey>
				<placekey>MRB8</placekey>
				<placekey>CALI</placekey>
				<placekey>California</placekey>
				</place>
		</keywords>
		<accconst>None</accconst>
		<useconst>None</useconst>

	<ptcontac>
			<cntinfo>
				<cntperp>
					<cntper>Michael E. Wieczorek</cntper>
					<cntorg>US Geological Survey, Maryland Water Science Center</cntorg>
				</cntperp>
				<cntpos>Geographer</cntpos>
				<cntaddr>
					<addrtype>mailing address</addrtype>
					<address>5522 Research Park Drive</address>
					<city>Baltimore</city>
					<state>MD</state>
					<postal>21228</postal>
					<country>USA</country>
				</cntaddr>
				<cntvoice>443-498-5550</cntvoice>
				<cntfax></cntfax>
				<cntemail>mewieczo@usgs.gov</cntemail>
				<hours>8:00am-4:30pm MST</hours>
				<cntinst>Please contact thru email</cntinst>
			</cntinfo>
		</ptcontac>			
		
		<browse>
		<browsen>http://water.usgs.gov/GIS/browse/nhd_nutrients_mrb.jpg</browsen>
		<browsed>Nutrient Inputs from Fertilizer and Manure, Nitrogen and Phosphorus (N&amp;P), 2002 overlain on Major River Basins.</browsed>
		<browset>jpg</browset>
		</browse>
		
		<native>Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 3; ESRI ArcCatalog 9.3.1.3000</native>
		<crossref>
			<citeinfo>
				<origin>Charles G. Crawford</origin>
				<origin>Pixie A. Hamilton</origin>
				<origin>Anne B. Hoos</origin>
				<pubdate>October 5, 2006</pubdate>
				<title>National Water-Quality Assessment Program--Modifications to the Status and Trends Network and Assessments of Streams and Rivers</title>
				<pubinfo>
					<pubplace>Reston, Virginia</pubplace>
					<publish>U.S. Geological Survey</publish>
				</pubinfo>
				<othercit>Prepared by Charlie Crawford, Pixie Hamilton, and Anne Hoos for a NAWQA National Liaison Meeting, Washington D.C., October 5, 2006</othercit>
				<onlink>http://water.usgs.gov/nawqa/studies/mrb/mrb_factsheet.pdf</onlink>
			</citeinfo>
		</crossref>

		</idinfo>
	<dataqual>
	<logic>none</logic>
	<complete>none</complete>
		<lineage>
			<srcinfo>
				<srccite>
					<citeinfo>
						<origin>U.S. Environmental Protection</origin>
						<origin>U.S. Geological Survey</origin>
						<pubdate>2007</pubdate>
						<title>NHDPlus Catchments ( Version 1.1) for New England (Hydrologic Region 01)</title>
						<geoform>vector digital data</geoform>
						<pubinfo>
							<pubplace>Washington, D.C.</pubplace>
							<publish>U.S. Environmental Protection Agency</publish>
						</pubinfo>
						<onlink>ftp://ftp.horizon-systems.com/NHDPlus/NHDPlusV1/NewEngland/NHDPlus01V01_01_Catshape.zip</onlink>
					</citeinfo>
				</srccite>
				<typesrc>online</typesrc>
				<srctime>
					<timeinfo>
						<sngdate>
							<caldate>2007</caldate>
						</sngdate>
					</timeinfo>
					<srccurr>publication date</srccurr>
				</srctime>
				<srccitea>NHD</srccitea>
				<srccontr>The source data provided catchments for basin characterization for MRB 1.  COMID is the unique item in NHDPlus that relates to the dbf files containing artificial drainage information.</srccontr>
			</srcinfo>
			<srcinfo>
				<srccite>
					<citeinfo>
						<origin>U.S. Environmental Protection</origin>
						<origin>U.S. Geological Survey</origin>
						<pubdate>2007</pubdate>
						<title>NHDPlus Catchments ( Version 1.1) for the Mid-Atlantic (Hydrologic Region 02)</title>
						<geoform>vector digital data</geoform>
						<pubinfo>
							<pubplace>Washington, D.C.</pubplace>
							<publish>U.S. Environmental Protection Agency</publish>
						</pubinfo>
						<onlink>ftp://ftp.horizon-systems.com/NHDPlus/NHDPlusV1/MidAtlantic/NHDPlus02V01_01_Catshape.zip</onlink>
					</citeinfo>
				</srccite>
				<typesrc>online</typesrc>
				<srctime>
					<timeinfo>
						<sngdate>
							<caldate>2007</caldate>
						</sngdate>
					</timeinfo>
					<srccurr>publication date</srccurr>
				</srctime>
				<srccitea>NHD</srccitea>
				<srccontr>The source data provided catchments for basin characterization for MRB 1.  COMID is the unique item in NHDPlus that relates to the dbf files containing artificial drainage information.</srccontr>
			</srcinfo>
			<srcinfo>
				<srccite>
					<citeinfo>
						<origin>U.S. Environmental Protection</origin>
						<origin>U.S. Geological Survey</origin>
						<pubdate>2007</pubdate>
						<title>NHDPlus Catchments ( Version 1.1) for the South-Atlantic Gulf (Hydrologic Region 03)</title>
						<geoform>vector digital data</geoform>
						<pubinfo>
							<pubplace>Washington, D.C.</pubplace>
							<publish>U.S. Environmental Protection Agency</publish>
						</pubinfo>
						<onlink>ftp://ftp.horizon-systems.com/NHDPlus/NHDPlusV1/SouthAtlanticGulf/NHDPlus03V01_02_Catshape.zip</onlink>
					</citeinfo>
				</srccite>
				<typesrc>online</typesrc>
				<srctime>
					<timeinfo>
						<sngdate>
							<caldate>2007</caldate>
						</sngdate>
					</timeinfo>
					<srccurr>publication date</srccurr>
				</srctime>
				<srccitea>NHD</srccitea>
				<srccontr>The source data provided catchments for basin characterization for MRB 2.  COMID is the unique item in NHDPlus that relates to the dbf files containing artificial drainage information.</srccontr>
			</srcinfo>
			<srcinfo>
				<srccite>
					<citeinfo>
						<origin>U.S. Environmental Protection</origin>
						<origin>U.S. Geological Survey</origin>
						<pubdate>2007</pubdate>
						<title>NHDPlus Catchments ( Version 1.1) for the Great Lakes (Hydrologic Region 04)</title>
						<geoform>vector digital data</geoform>
						<pubinfo>
							<pubplace>Washington, D.C.</pubplace>
							<publish>U.S. Environmental Protection Agency</publish>
						</pubinfo>
						<onlink>ftp://ftp.horizon-systems.com/NHDPlus/NHDPlusV1/GreatLakes/NHDPlus04V01_01_Catshape.zip</onlink>
					</citeinfo>
				</srccite>
				<typesrc>online</typesrc>
				<srctime>
					<timeinfo>
						<sngdate>
							<caldate>2007</caldate>
						</sngdate>
					</timeinfo>
					<srccurr>publication date</srccurr>
				</srctime>
				<srccitea>NHD</srccitea>
				<srccontr>The source data provided catchments for basin characterization for MRB 3.  COMID is the unique item in NHDPlus that relates to the dbf files containing artificial drainage information.</srccontr>
			</srcinfo>
			<srcinfo>
				<srccite>
					<citeinfo>
						<origin>U.S. Environmental Protection</origin>
						<origin>U.S. Geological Survey</origin>
						<pubdate>2007</pubdate>
						<title>NHDPlus Catchments ( Version 1.1) for the Mississippi (Hydrologic Regions 05)</title>
						<geoform>vector digital data</geoform>
						<pubinfo>
							<pubplace>Washington, D.C.</pubplace>
							<publish>U.S. Environmental Protection Agency</publish>
						</pubinfo>
						<onlink>ftp://ftp.horizon-systems.com/NHDPlus/NHDPlusV1/Mississippi/NHDPlus05V01_01_Catshape.zip</onlink>
					</citeinfo>
				</srccite>
				<typesrc>online</typesrc>
				<srctime>
					<timeinfo>
						<sngdate>
							<caldate>2007</caldate>
						</sngdate>
					</timeinfo>
					<srccurr>publication date</srccurr>
				</srctime>
				<srccitea>NHD</srccitea>
				<srccontr>The source data provided catchments for basin characterization for MRB 3.  COMID is the unique item in NHDPlus that relates to the dbf files containing artificial drainage information.</srccontr>
			</srcinfo>
			<srcinfo>
				<srccite>
					<citeinfo>
						<origin>U.S. Environmental Protection</origin>
						<origin>U.S. Geological Survey</origin>
						<pubdate>2007</pubdate>
						<title>NHDPlus Catchments ( Version 1.1) for the Mississippi (Hydrologic Region 06)</title>
						<geoform>vector digital data</geoform>
						<pubinfo>
							<pubplace>Washington, D.C.</pubplace>
							<publish>U.S. Environmental Protection Agency</publish>
						</pubinfo>
						<onlink>ftp://ftp.horizon-systems.com/NHDPlus/NHDPlusV1/Mississippi/NHDPlus06V01_01_Catshape.zip</onlink>
					</citeinfo>
				</srccite>
				<typesrc>online</typesrc>
				<srctime>
					<timeinfo>
						<sngdate>
							<caldate>2007</caldate>
						</sngdate>
					</timeinfo>
					<srccurr>publication date</srccurr>
				</srctime>
				<srccitea>NHD</srccitea>
				<srccontr>The source data provided catchments for basin characterization for MRB 2.  COMID is the unique item in NHDPlus that relates to the dbf files containing artificial drainage information.</srccontr>
			</srcinfo>
			<srcinfo>
				<srccite>
					<citeinfo>
						<origin>U.S. Environmental Protection</origin>
						<origin>U.S. Geological Survey</origin>
						<pubdate>2007</pubdate>
						<title>NHDPlus Catchments ( Version 1.1) for the Mississippi (Hydrologic Region 07)</title>
						<geoform>vector digital data</geoform>
						<pubinfo>
							<pubplace>Washington, D.C.</pubplace>
							<publish>U.S. Environmental Protection Agency</publish>
						</pubinfo>
						<onlink>ftp://ftp.horizon-systems.com/NHDPlus/NHDPlusV1/Mississippi/NHDPlus07V01_01_Catshape.zip</onlink>
					</citeinfo>
				</srccite>
				<typesrc>online</typesrc>
				<srctime>
					<timeinfo>
						<sngdate>
							<caldate>2007</caldate>
						</sngdate>
					</timeinfo>
					<srccurr>publication date</srccurr>
				</srctime>
				<srccitea>NHD</srccitea>
				<srccontr>The source data provided catchments for basin characterization for MRB 3.  COMID is the unique item in NHDPlus that relates to the dbf files containing artificial drainage information.</srccontr>
			</srcinfo>
			<srcinfo>
				<srccite>
					<citeinfo>
						<origin>U.S. Environmental Protection</origin>
						<origin>U.S. Geological Survey</origin>
						<pubdate>2007</pubdate>
						<title>NHDPlus Catchments ( Version 1.1) for the Mississippi (Hydrologic Region 08)</title>
						<geoform>vector digital data</geoform>
						<pubinfo>
							<pubplace>Washington, D.C.</pubplace>
							<publish>U.S. Environmental Protection Agency</publish>
						</pubinfo>
						<onlink>ftp://ftp.horizon-systems.com/NHDPlus/NHDPlusV1/Mississippi/NHDPlus08V01_01_Catshape.zip</onlink>
					</citeinfo>
				</srccite>
				<typesrc>online</typesrc>
				<srctime>
					<timeinfo>
						<sngdate>
							<caldate>2007</caldate>
						</sngdate>
					</timeinfo>
					<srccurr>publication date</srccurr>
				</srctime>
				<srccitea>NHD</srccitea>
				<srccontr>The source data provided catchments for basin characterization for MRB 5.  COMID is the unique item in NHDPlus that relates to the dbf files containing artificial drainage information.</srccontr>
			</srcinfo>
			<srcinfo>
				<srccite>
					<citeinfo>
						<origin>U.S. Environmental Protection</origin>
						<origin>U.S. Geological Survey</origin>
						<pubdate>2007</pubdate>
						<title>NHDPlus Catchments ( Version 1.1) for the Souris-Red-Rainy (Hydrologic Region 09)</title>
						<geoform>vector digital data</geoform>
						<pubinfo>
							<pubplace>Washington, D.C.</pubplace>
							<publish>U.S. Environmental Protection Agency</publish>
						</pubinfo>
						<onlink>ftp://ftp.horizon-systems.com/NHDPlus/NHDPlusV1/SourisRedRainy/NHDPlus09V01_01_Catshape.zip</onlink>
					</citeinfo>
				</srccite>
				<typesrc>online</typesrc>
				<srctime>
					<timeinfo>
						<sngdate>
							<caldate>2007</caldate>
						</sngdate>
					</timeinfo>
					<srccurr>publication date</srccurr>
				</srctime>
				<srccitea>NHD</srccitea>
				<srccontr>The source data provided catchments for basin characterization for MRB 3.  COMID is the unique item in NHDPlus that relates to the dbf files containing artificial drainage information.</srccontr>
			</srcinfo>
			<srcinfo>
				<srccite>
					<citeinfo>
						<origin>U.S. Environmental Protection</origin>
						<origin>U.S. Geological Survey</origin>
						<pubdate>2007</pubdate>
						<title>NHDPlus Catchments ( Version 1.1) for the Mississippi (Hydrologic Region 10, Lower Missouri River)</title>
						<geoform>vector digital data</geoform>
						<pubinfo>
							<pubplace>Washington, D.C.</pubplace>
							<publish>U.S. Environmental Protection Agency</publish>
						</pubinfo>
						<onlink>ftp://ftp.horizon-systems.com/NHDPlus/NHDPlusV1/Mississippi/NHDPlus10LV01_02_Catshape.zip</onlink>
					</citeinfo>
				</srccite>
				<typesrc>online</typesrc>
				<srctime>
					<timeinfo>
						<sngdate>
							<caldate>2007</caldate>
						</sngdate>
					</timeinfo>
					<srccurr>publication date</srccurr>
				</srctime>
				<srccitea>NHD</srccitea>
				<srccontr>The source data provided catchments for basin characterization for MRB 4.  COMID is the unique item in NHDPlus that relates to the dbf files containing artificial drainage information.</srccontr>
			</srcinfo>
			<srcinfo>
				<srccite>
					<citeinfo>
						<origin>U.S. Environmental Protection</origin>
						<origin>U.S. Geological Survey</origin>
						<pubdate>2007</pubdate>
						<title>NHDPlus Catchments ( Version 1.1) for the Mississippi (Hydrologic Region 10, Upper Missouri River)</title>
						<geoform>vector digital data</geoform>
						<pubinfo>
							<pubplace>Washington, D.C.</pubplace>
							<publish>U.S. Environmental Protection Agency</publish>
						</pubinfo>
						<onlink>ftp://ftp.horizon-systems.com/NHDPlus/NHDPlusV1/Mississippi/NHDPlus10UV01_01_Catshape.zip</onlink>
					</citeinfo>
				</srccite>
				<typesrc>online</typesrc>
				<srctime>
					<timeinfo>
						<sngdate>
							<caldate>2007</caldate>
						</sngdate>
					</timeinfo>
					<srccurr>publication date</srccurr>
				</srctime>
				<srccitea>NHD</srccitea>
				<srccontr>The source data provided catchments for basin characterization for MRB 4.  COMID is the unique item in NHDPlus that relates to the dbf files containing artificial drainage information.</srccontr>
			</srcinfo>
			<srcinfo>
				<srccite>
					<citeinfo>
						<origin>U.S. Environmental Protection</origin>
						<origin>U.S. Geological Survey</origin>
						<pubdate>2007</pubdate>
						<title>NHDPlus Catchments ( Version 1.1) for the Mississippi (Hydrologic Region 11)</title>
						<geoform>vector digital data</geoform>
						<pubinfo>
							<pubplace>Washington, D.C.</pubplace>
							<publish>U.S. Environmental Protection Agency</publish>
						</pubinfo>
						<onlink>ftp://ftp.horizon-systems.com/NHDPlus/NHDPlusV1/Mississippi/NHDPlus11V01_01_Catshape.zip</onlink>
					</citeinfo>
				</srccite>
				<typesrc>online</typesrc>
				<srctime>
					<timeinfo>
						<sngdate>
							<caldate>2007</caldate>
						</sngdate>
					</timeinfo>
					<srccurr>publication date</srccurr>
				</srctime>
				<srccitea>NHD</srccitea>
				<srccontr>The source data provided catchments for basin characterization for MRB 5.  COMID is the unique item in NHDPlus that relates to the dbf files containing artificial drainage information.</srccontr>
			</srcinfo>
			<srcinfo>
				<srccite>
					<citeinfo>
						<origin>U.S. Environmental Protection</origin>
						<origin>U.S. Geological Survey</origin>
						<pubdate>2007</pubdate>
						<title>NHDPlus Catchments ( Version 1.1) for the Texas Gulf (Hydrologic Region 12)</title>
						<geoform>vector digital data</geoform>
						<pubinfo>
							<pubplace>Washington, D.C.</pubplace>
							<publish>U.S. Environmental Protection Agency</publish>
						</pubinfo>
						<onlink>ftp://ftp.horizon-systems.com/NHDPlus/NHDPlusV1/TexasGulf/NHDPlus12V01_02_Catshape.zip</onlink>
					</citeinfo>
				</srccite>
				<typesrc>online</typesrc>
				<srctime>
					<timeinfo>
						<sngdate>
							<caldate>2007</caldate>
						</sngdate>
					</timeinfo>
					<srccurr>publication date</srccurr>
				</srctime>
				<srccitea>NHD</srccitea>
				<srccontr>The source data provided catchments for basin characterization for MRB 5.  COMID is the unique item in NHDPlus that relates to the dbf files containing artificial drainage information.</srccontr>
			</srcinfo>
			<srcinfo>
				<srccite>
					<citeinfo>
						<origin>U.S. Environmental Protection</origin>
						<origin>U.S. Geological Survey</origin>
						<pubdate>2007</pubdate>
						<title>NHDPlus Catchments ( Version 1.1) for the Rio Grande (Hydrologic Region 13)</title>
						<geoform>vector digital data</geoform>
						<pubinfo>
							<pubplace>Washington, D.C.</pubplace>
							<publish>U.S. Environmental Protection Agency</publish>
						</pubinfo>
						<onlink>ftp://ftp.horizon-systems.com/NHDPlus/NHDPlusV1/RioGrande/NHDPlus13V01_02_Catshape.zip</onlink>
					</citeinfo>
				</srccite>
				<typesrc>online</typesrc>
				<srctime>
					<timeinfo>
						<sngdate>
							<caldate>2007</caldate>
						</sngdate>
					</timeinfo>
					<srccurr>publication date</srccurr>
				</srctime>
				<srccitea>NHD</srccitea>
				<srccontr>The source data provided catchments for basin characterization for MRB 6.  COMID is the unique item in NHDPlus that relates to the dbf files containing artificial drainage information.</srccontr>
			</srcinfo>
			<srcinfo>
				<srccite>
					<citeinfo>
						<origin>U.S. Environmental Protection</origin>
						<origin>U.S. Geological Survey</origin>
						<pubdate>2007</pubdate>
						<title>NHDPlus Catchments ( Version 1.1) for the Colorado (Hydrologic Region 14)</title>
						<geoform>vector digital data</geoform>
						<pubinfo>
							<pubplace>Washington, D.C.</pubplace>
							<publish>U.S. Environmental Protection Agency</publish>
						</pubinfo>
						<onlink>ftp://ftp.horizon-systems.com/NHDPlus/NHDPlusV1/Colorado/NHDPlus14V01_01_Catshape.zip</onlink>
					</citeinfo>
				</srccite>
				<typesrc>online</typesrc>
				<srctime>
					<timeinfo>
						<sngdate>
							<caldate>2007</caldate>
						</sngdate>
					</timeinfo>
					<srccurr>publication date</srccurr>
				</srctime>
				<srccitea>NHD</srccitea>
				<srccontr>The source data provided catchments for basin characterization for MRB 6.  COMID is the unique item in NHDPlus that relates to the dbf files containing artificial drainage information.</srccontr>
			</srcinfo>
			<srcinfo>
				<srccite>
					<citeinfo>
						<origin>U.S. Environmental Protection</origin>
						<origin>U.S. Geological Survey</origin>
						<pubdate>2007</pubdate>
						<title>NHDPlus Catchments ( Version 1.1) for the Colorado (Hydrologic Region 15)</title>
						<geoform>vector digital data</geoform>
						<pubinfo>
							<pubplace>Washington, D.C.</pubplace>
							<publish>U.S. Environmental Protection Agency</publish>
						</pubinfo>
						<onlink>ftp://ftp.horizon-systems.com/NHDPlus/NHDPlusV1/Colorado/NHDPlus15V01_01_Catshape.zip</onlink>
					</citeinfo>
				</srccite>
				<typesrc>online</typesrc>
				<srctime>
					<timeinfo>
						<sngdate>
							<caldate>2007</caldate>
						</sngdate>
					</timeinfo>
					<srccurr>publication date</srccurr>
				</srctime>
				<srccitea>NHD</srccitea>
				<srccontr>The source data provided catchments for basin characterization for MRB 6.  COMID is the unique item in NHDPlus that relates to the dbf files containing artificial drainage information.</srccontr>
			</srcinfo>
			<srcinfo>
				<srccite>
					<citeinfo>
						<origin>U.S. Environmental Protection</origin>
						<origin>U.S. Geological Survey</origin>
						<pubdate>2007</pubdate>
						<title>NHDPlus Catchments ( Version 1.1) for the Great Basin (Hydrologic Region 16)</title>
						<geoform>vector digital data</geoform>
						<pubinfo>
							<pubplace>Washington, D.C.</pubplace>
							<publish>U.S. Environmental Protection Agency</publish>
						</pubinfo>
						<onlink>ftp://ftp.horizon-systems.com/NHDPlus/NHDPlusV1/GreatBasin/NHDPlus16V01_01_Catshape.zip</onlink>
					</citeinfo>
				</srccite>
				<typesrc>online</typesrc>
				<srctime>
					<timeinfo>
						<sngdate>
							<caldate>2007</caldate>
						</sngdate>
					</timeinfo>
					<srccurr>publication date</srccurr>
				</srctime>
				<srccitea>NHD</srccitea>
				<srccontr>The source data provided catchments for basin characterization for MRB 6.  COMID is the unique item in NHDPlus that relates to the dbf files containing artificial drainage information.</srccontr>
			</srcinfo>
			<srcinfo>
				<srccite>
					<citeinfo>
						<origin>U.S. Environmental Protection</origin>
						<origin>U.S. Geological Survey</origin>
						<pubdate>2007</pubdate>
						<title>NHDPlus Catchments ( Version 1.1) for the Pacific Northwest (Hydrologic Region 17)</title>
						<geoform>vector digital data</geoform>
						<pubinfo>
							<pubplace>Washington, D.C.</pubplace>
							<publish>U.S. Environmental Protection Agency</publish>
						</pubinfo>
						<onlink>ftp://ftp.horizon-systems.com/NHDPlus/NHDPlusV1/PacificNorthwest/NHDPlus17V01_02_Catshape.zip</onlink>
					</citeinfo>
				</srccite>
				<typesrc>online</typesrc>
				<srctime>
					<timeinfo>
						<sngdate>
							<caldate>2007</caldate>
						</sngdate>
					</timeinfo>
					<srccurr>publication date</srccurr>
				</srctime>
				<srccitea>NHD</srccitea>
				<srccontr>The source data provided catchments for basin characterization for MRB 7.  COMID is the unique item in NHDPlus that relates to the dbf files containing artificial drainage information.</srccontr>
			</srcinfo>
			<srcinfo>
				<srccite>
					<citeinfo>
						<origin>U.S. Environmental Protection</origin>
						<origin>U.S. Geological Survey</origin>
						<pubdate>2007</pubdate>
						<title>NHDPlus Catchments ( Version 1.1) for California (Hydrologic Region 18)</title>
						<geoform>vector digital data</geoform>
						<pubinfo>
							<pubplace>Washington, D.C.</pubplace>
							<publish>U.S. Environmental Protection Agency</publish>
						</pubinfo>
						<onlink>ftp://ftp.horizon-systems.com/NHDPlus/NHDPlusV1/California/NHDPlus18V01_01_Catshape.zip</onlink>
					</citeinfo>
				</srccite>
				<typesrc>online</typesrc>
				<srctime>
					<timeinfo>
						<sngdate>
							<caldate>2007</caldate>
						</sngdate>
					</timeinfo>
					<srccurr>publication date</srccurr>
				</srctime>
				<srccitea>NHD</srccitea>
				<srccontr>The source data provided catchments for basin characterization for MRB 8.  COMID is the unique item in NHDPlus that relates to the dbf files containing artificial drainage information.</srccontr>
			</srcinfo>
			<srcinfo>
				<srccite>
					<citeinfo>
						<origin>LaMotte, Andrew E.</origin>
						<pubdate>2008</pubdate>
						<title>National Land Cover Database 2001 (NLCD01) Tile 1, Northwest United States: NLCD01_1</title>
						<geoform>raster digital data</geoform>
						<serinfo>
							<sername>Data Series</sername>
							<issue>DS-383A</issue>
						</serinfo>
						<pubinfo>
							<pubplace>Reston, Virginia</pubplace>
							<publish>U.S. Geological Survey</publish>
						</pubinfo>
						<onlink>http://water.usgs.gov/GIS/metadata/usgswrd/XML/nlcd01_1.xml</onlink>
					</citeinfo>
				</srccite>
				<typesrc>online</typesrc>

				<srctime>
				<timeinfo>
				<sngdate>
				<caldate>2001</caldate>
				</sngdate>
				</timeinfo>
				<srccurr>ground condition</srccurr>
				</srctime>
				
				<srccitea>nlcd01</srccitea>
				<srccontr>The source data provided information on land use and land cover.</srccontr>
				</srcinfo>
				
			<srcinfo>
				<srccite>
					<citeinfo>
						<origin>LaMotte, Andrew E.</origin>
						<pubdate>2008</pubdate>
						<title>National Land Cover Database 2001 (NLCD01) Tile 2, Northeast United States: NLCD01_2</title>
						<geoform>raster digital data</geoform>
						<serinfo>
							<sername>Data Series</sername>
							<issue>DS-383B</issue>
						</serinfo>
						<pubinfo>
							<pubplace>Reston, Virginia</pubplace>
							<publish>U.S. Geological Survey</publish>
						</pubinfo>
						<onlink>http://water.usgs.gov/GIS/metadata/usgswrd/XML/nlcd01_2.xml</onlink>
					</citeinfo>
				</srccite>
				
				<typesrc>online</typesrc>
				<srctime>
				<timeinfo>
				<sngdate>
				<caldate>2001</caldate>
				</sngdate>
				</timeinfo>
				<srccurr>ground condition</srccurr>
				</srctime>
				<srccitea>nlcd01</srccitea>
				<srccontr>The source data provided information on land use and land cover.</srccontr>
				</srcinfo>
			<srcinfo>
				<srccite>
					<citeinfo>
						<origin>LaMotte, Andrew E.</origin>
						<pubdate>2008</pubdate>
						<title>National Land Cover Database 2001 (NLCD01) Tile 3, Southwest United States: NLCD01_3</title>
						<geoform>raster digital data</geoform>
						<serinfo>
							<sername>Data Series</sername>
							<issue>DS-383C</issue>
						</serinfo>
						<pubinfo>
							<pubplace>Reston, Virginia</pubplace>
							<publish>U.S. Geological Survey</publish>
						</pubinfo>
						<onlink>http://water.usgs.gov/GIS/metadata/usgswrd/XML/nlcd01_3.xml</onlink>
					</citeinfo>
				</srccite>
				<typesrc>online</typesrc>
				
<srctime>
	<timeinfo>
		<sngdate>
			<caldate>2001</caldate>
		</sngdate>
	</timeinfo>
	<srccurr>ground condition</srccurr>
</srctime>				
				<srccitea>nlcd01</srccitea>
			<srccontr>The source data provided information on land use and land cover.</srccontr>
			</srcinfo>
			
			<srcinfo>
				<srccite>
					<citeinfo>
						<origin>LaMotte, Andrew E.</origin>
						<pubdate>2008</pubdate>
						<title>National Land Cover Database 2001 (NLCD01) Tile 4, Southeast United States: NLCD01_4</title>
						<geoform>raster digital data</geoform>
						<serinfo>
							<sername>Data Series</sername>
							<issue>DS-383D</issue>
						</serinfo>
						<pubinfo>
							<pubplace>Reston, Virginia</pubplace>
							<publish>U.S. Geological Survey</publish>
						</pubinfo>
						<onlink>http://water.usgs.gov/GIS/metadata/usgswrd/XML/nlcd01_4.xml</onlink>
					</citeinfo>
				</srccite>
<typesrc>online</typesrc>				
				
<srctime>
	<timeinfo>
		<sngdate>
			<caldate>2001</caldate>
		</sngdate>
	</timeinfo>
	<srccurr>ground condition</srccurr>
</srctime>				
		<srccitea>nlcd01</srccitea>

			
				<srccontr>The source data provided information on land use and land cover.</srccontr>
				</srcinfo>
				
			<srcinfo>
				<srccite>
					<citeinfo>
						<origin>Ruddy, Barbara C.</origin>
						<origin>Lorenz, David L.</origin>
						<origin>Mueller, David K.</origin>
						<pubdate>2006</pubdate>
						<title>County-Level Estimates of Nutrient Inputs to the Land Surface of the Conterminous United States, 1982-2001</title>
						<geoform>tabular digital data</geoform>
						<serinfo>
							<sername>Scientific Investigations Report</sername>
							<issue>2006-5012</issue>
						</serinfo>
						<pubinfo>
							<pubplace>Reston, Virginia</pubplace>
							<publish>U.S. Geological Survey</publish>
						</pubinfo>
						<onlink>http://water.usgs.gov/nawqa-only/nuts/data/fertrev08/reports/report_sir2006_5012.pdf</onlink>
					</citeinfo>
				</srccite>
				<typesrc>online</typesrc>
				
				
				<srctime>
				<timeinfo>
				<sngdate>
				<caldate>2006</caldate>
				</sngdate>
				</timeinfo>
				<srccurr>publication date</srccurr>
				</srctime>
				
				
				<srccitea>nutrients</srccitea>
				<srccontr>The source data provided information on nutrients.</srccontr>
				</srcinfo>
			<procstep>
				<procdesc>Acquired fertilizer and manure data tabulated by crop type and county from http://water.usgs.gov/nawqa-only/nuts/data/fertrev08.
NLCD 2001 (LaMotte, 2008) was used to spatially apportion the tabular data. The following table describes the NLCD2001 classes used for each nutrient variable category of Nitrogen (N) and Phosphorus (P).

Nutrient inputs              LU Data Set        LU Classes used to apportion nutrient inputs
----------------------------------------------------------------------------------------------
Farm fertilizer                 NLCD2001                     81, 82

----------------------------------------------------------------------------------------------
Non-farm fertilizer         NLCD2001                     21, 22, 23

----------------------------------------------------------------------------------------------
Manure-
unconfined                  NLCD2001                      71, 81, 82

----------------------------------------------------------------------------------------------
Manure-confined          NLCD2001                      81, 82

Process Steps:
1) Downloaded NHDPlus catchment GRIDs that match the 30-meter NLCD01 resolution from http://www.horizon-systems.com/nhdplus

2) A nutrient intensity value was calculated for each county for Nitrogen and Phosphorus for each grouping above. To spatially apportion this value, a Nutrient_Intensity per GRID cell was calculated this way:

Nutrient Intensity (kilograms) per GRID cell = Total kilograms of Nitrogen or Phosphorus for county/number of farm, non-farm, confined, or unconfined GRID cells per county.
The resulting GRID is 30-meter resolution of nutrients in kilograms per 30-meter grid cell for farm, non-farm, confined, or unconfined land use types.

3) Summarized total nutrients by catchment using the ZONALSUM command in GRID.

4) Exported results into a dbf file format.</procdesc>
				<procdate>2008</procdate>
				</procstep>
		</lineage>
		</dataqual>
	
			<spdoinfo>
		<indspref>COMID code</indspref>
	</spdoinfo>
	
	<eainfo>
		<detailed>
			<enttyp>
				<enttypl>
nutrients</enttypl>
				<enttypd>dbf tabular data</enttypd><enttypds>ESRI</enttypds></enttyp>
			<attr>
				<attrlabl>OID</attrlabl>
				<attrdef>Internal feature number.</attrdef>
				<attrdefs>ESRI</attrdefs>
				<attrdomv>
					<udom>Sequential unique whole numbers that are automatically generated.</udom>
				</attrdomv>
			</attr>
			<attr>
				<attrlabl>COMID</attrlabl>
				<attrdef>Unique ID to relate to the NHDPlus catchments</attrdef>
				<attrdefs>NHDPlus</attrdefs>
				<attrdomv><udom>Sequential unique whole numbers that are automatically generated.</udom></attrdomv></attr>
			<attr>
				<attrlabl>MANC_N</attrlabl>
				<attrdef>Sum total of Nitrogen from Manure in confined operations in kilograms</attrdef>
				<attrdefs>U.S. Geological Survey</attrdefs>
				<attrdomv><rdom><rdommin>0</rdommin><rdommax>73776147</rdommax></rdom></attrdomv></attr>
			<attr>
				<attrlabl>MANC_P</attrlabl>
				<attrdef>Sum total of Phosphorus from Manure in confined operations in kilograms</attrdef>
				<attrdefs>U.S. Geological Survey</attrdefs>
				<attrdomv><rdom><rdommin>0</rdommin><rdommax>1367657</rdommax></rdom></attrdomv></attr>
			<attr>
				<attrlabl>MANU_N</attrlabl>
				<attrdef>Sum total of Nitrogen from Manure in unconfined operations in kilograms</attrdef>
				<attrdefs>U.S. Geological Survey</attrdefs>
				<attrdomv><rdom><rdommin>0</rdommin><rdommax>2769511</rdommax></rdom></attrdomv></attr>
			<attr>
				<attrlabl>MANU_P</attrlabl>
				<attrdef>Sum total of Phosphorus from Manure in unconfined operations in kilograms</attrdef>
				<attrdefs>U.S. Geological Survey</attrdefs>
				<attrdomv><rdom><rdommin>0</rdommin><rdommax>856876</rdommax></rdom></attrdomv></attr>
			<attr>
				<attrlabl>FARM_N</attrlabl>
				<attrdef>Sum total of Nitrogen from farm areas in kilograms</attrdef>
				<attrdefs>U.S. Geological Survey</attrdefs>
				<attrdomv><rdom><rdommin>0</rdommin><rdommax>31272040</rdommax></rdom></attrdomv></attr>
			<attr>
				<attrlabl>FARM_P</attrlabl>
				<attrdef>Sum total of Phosphorus from farm areas in kilograms</attrdef>
				<attrdefs>U.S. Geological Survey</attrdefs>
				<attrdomv><rdom><rdommin>0</rdommin><rdommax>529222140</rdommax></rdom></attrdomv></attr>
			<attr>
				<attrlabl>NOFARM_N</attrlabl>
				<attrdef>Sum total of Nitrogen from non-farm areas in kilograms</attrdef>
				<attrdefs>U.S. Geological Survey</attrdefs>
				<attrdomv><rdom><rdommin>0</rdommin><rdommax>1409156</rdommax></rdom></attrdomv></attr>
			<attr>
				<attrlabl>NOFARM_P</attrlabl>
				<attrdef>Sum total of Phosphorus from non-farm areas in kilograms</attrdef>
				<attrdefs>U.S. Geological Survey</attrdefs>
				<attrdomv><rdom><rdommin>0</rdommin><rdommax>197143.5</rdommax></rdom></attrdomv></attr>
		</detailed>
	</eainfo>
	<distinfo>
		<distrib>
			<cntinfo>
				<cntorgp>
					<cntorg>U.S. Geological Survey</cntorg>
				</cntorgp>
				<cntpos>Ask USGS -- Water Webserver Team</cntpos>
				<cntaddr>
					<addrtype>mailing address</addrtype>
					<address>455 National Center</address>
					<city>Reston</city>
					<state>Virginia</state>
					<postal>20192</postal>
					<country>USA</country>
				</cntaddr>
				<cntvoice>1-888-275-8747 (1-888-ASK-USGS)</cntvoice>
				<cntemail>http://water.usgs.gov/user_feedback_form.html</cntemail>
			</cntinfo>
		</distrib>
		<resdesc>Downloadable Data</resdesc>
		<distliab>Although this dataset has been used by the U.S. Geological Survey, U.S. Department of the Interior, no warranty expressed or implied is made by the U.S. Geological Survey as to the accuracy of the data and related materials. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the U.S. Geological Survey in the use of these data, software, or related materials.

Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.</distliab>
		<stdorder>
			<digform>
				<digtinfo>
					<formname>dbf</formname>
					<formcont>Full coverage</formcont>
					<filedec>zipped</filedec>
					<transize>2686 KB</transize>
				</digtinfo>
				<digtopt>
					<onlinopt>
						<computer>
							<networka>
								<networkr>http://water.usgs.gov/GIS/dsdl/nhd_nutrients_mrb1.zip</networkr>
							</networka>
						</computer>
					</onlinopt>
				</digtopt>
			</digform>
			<digform>
				<digtinfo>
					<formname>dbf</formname>
					<formcont>Full coverage</formcont>
					<filedec>zipped</filedec>
					<transize>8869 KB</transize>
				</digtinfo>
				<digtopt>
					<onlinopt>
						<computer>
							<networka>
								<networkr>http://water.usgs.gov/GIS/dsdl/nhd_nutrients_mrb2.zip</networkr>
							</networka>
						</computer>
					</onlinopt>
				</digtopt>
			</digform>
			<digform>
				<digtinfo>
					<formname>dbf</formname>
					<formcont>Full coverage</formcont>
					<filedec>zipped</filedec>
					<transize>12492 KB</transize>
				</digtinfo>
				<digtopt>
					<onlinopt>
						<computer>
							<networka>
								<networkr>http://water.usgs.gov/GIS/dsdl/nhd_nutrients_mrb3.zip</networkr>
							</networka>
						</computer>
					</onlinopt>
				</digtopt>
			</digform>
			<digform>
				<digtinfo>
					<formname>dbf</formname>
					<formcont>Full coverage</formcont>
					<filedec>zipped</filedec>
					<transize>10674 KB</transize>
				</digtinfo>
				<digtopt>
					<onlinopt>
						<computer>
							<networka>
								<networkr>http://water.usgs.gov/GIS/dsdl/nhd_nutrients_mrb4.zip</networkr>
							</networka>
						</computer>
					</onlinopt>
				</digtopt>
			</digform>
			<digform>
				<digtinfo>
					<formname>dbf</formname>
					<formcont>Full coverage</formcont>
					<filedec>zipped</filedec>
					<transize>8982 KB</transize>
				</digtinfo>
				<digtopt>
					<onlinopt>
						<computer>
							<networka>
								<networkr>http://water.usgs.gov/GIS/dsdl/nhd_nutrients_mrb5.zip</networkr>
							</networka>
						</computer>
					</onlinopt>
				</digtopt>
			</digform>
			<digform>
				<digtinfo>
					<formname>dbf</formname>
					<formcont>Full coverage</formcont>
					<filedec>zipped</filedec>
					<transize>2894 KB</transize>
				</digtinfo>
				<digtopt>
					<onlinopt>
						<computer>
							<networka>
								<networkr>http://water.usgs.gov/GIS/dsdl/nhd_nutrients_mrb6.zip</networkr>
							</networka>
						</computer>
					</onlinopt>
				</digtopt>
			</digform>
			<digform>
				<digtinfo>
					<formname>dbf</formname>
					<formcont>Full coverage</formcont>
					<filedec>zipped</filedec>
					<transize>2970 KB</transize>
				</digtinfo>
				<digtopt>
					<onlinopt>
						<computer>
							<networka>
								<networkr>http://water.usgs.gov/GIS/dsdl/nhd_nutrients_mrb7.zip</networkr>
							</networka>
						</computer>
					</onlinopt>
				</digtopt>
			</digform>
			<digform>
				<digtinfo>
					<formname>dbf</formname>
					<formcont>Full coverage</formcont>
					<filedec>zipped</filedec>
					<transize>1726 KB</transize>
				</digtinfo>
				<digtopt>
					<onlinopt>
						<computer>
							<networka>
								<networkr>http://water.usgs.gov/GIS/dsdl/nhd_nutrients_mrb8.zip</networkr>
							</networka>
						</computer>
					</onlinopt>
				</digtopt>
			</digform>
			<fees>None. This dataset is provided by the USGS as a public service.</fees>
		</stdorder>
	</distinfo>
	<metainfo>
		<metd>20100817</metd>
		<metc>
			<cntinfo>
				<cntorgp>
					<cntorg>U.S. Geological Survey</cntorg>
				</cntorgp>
				<cntpos>Ask USGS -- Water Webserver Team</cntpos>
				<cntaddr>
					<addrtype>mailing address</addrtype>
					<address>445 National Center</address>
					<city>Reston</city>
					<state>Virginia</state>
					<postal>20192</postal>
					<country>USA</country>
				</cntaddr>
				<cntvoice>1-888-275-8747 (1-888-ASK-USGS)</cntvoice>
				<cntemail>http://answers.usgs.gov/cgi-bin/gsanswers?pemail=h2oteam&amp;subject=GIS+Dataset+nhd_nutrients</cntemail>
			</cntinfo>
		</metc>
		<metstdn>FGDC Content Standards for Digital Geospatial Metadata</metstdn>
		<metstdv>FGDC-STD-001-1998</metstdv>
	</metainfo>
	</metadata>
