National Water-Quality Assessment (NAWQA) Program
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Gurdak, Jason J., Walvoord, Michelle A., and McMahon, Peter B., 2008, Susceptibility to enhanced chemical migration from depression-focused preferential flow, High Plains aquifer: Vadose Zone Journal, vol. 7, no. 4, p. 1172-1184. doi: 10.2136/vzj2007.0145 Available Online
Marron, Donna C. and Blanchard, Stephen F., 1995, Surface-water-quality assessment of the Upper Illinois, Indiana, and Wisconsin: Cross sectional and depth variation of water-quality constituents and properties in the Upper Illinois River Basin, 1987-88: U.S. Geological Survey Water-Resources Investigations Report 95-4021, 19 p. Available Online
Nowell, Lisa H., and Resek, Elizabeth A., 1994, Summary of national standards and guidelines for pesticides in water, bed sediment, and aquatic organisms and their application to water-quality assessments: U.S. Geological Survey Open-File Report 94-44, 115 p. Available Online
Valder, Joshua F., Delzer, Gregory C., Price, Curtis V., and Sandstrom, Mark W., 2008, Study design and percent recoveries of anthropogenic organic compounds with and without the addition of ascorbic acid to preserve water samples containing free chlorine, 2004-06: U.S. Geological Survey Open-File Report 2008-1226, 86 p. Available Online
Love, Jason T., Delzer, Gregory C., Abney, Sonja R., and Zogorski, John S., 1999, Study design and analytical results used to evaluate stability of volatile organic compounds in water matrices: U.S. Geological Survey Open-File Report 98-637, 156 p. Available Online
Taglioli, Brandon L., Delzer, Gregory C., and Zogorski, John S., 2001, Study design and analytical results used to evaluate carry-over contamination by volatile organic compounds in surface- and ground-water sampling procedures: U.S. Geological Survey Open-File Report 00-384, 36 p. Available Online
Halde, Michael J., Delzer, Gregory C., and Zogorski, John S., 1999, Study design and analytical results used to evaluate a surface-water point sampler for volatile organic compounds: U.S. Geological Survey Open-File Report 98-651, 31 p. Available Online
Stewart, J.S., 1995, Stratification of landsat thematic mapper data, based on regional landscape patterns, to improve land-cover classification accuracy of large study areas: American Congress on Surveying and Mapping and the American Society for Photogrammetry and Remote Sensing Proceedings, p. 826-835.
Anning, D.W., Thiros, S.A., Bexfield, L.M., McKinney, T.S., and Green, J.M., 2009, Southwest principal aquifers regional ground-water quality assessment: U.S. Geological Survey Fact Sheet 2009-3015, 4 p. Available Online
Meador, Michael R., 2005, Single-pass versus two-pass boat electrofishing for characterizing river fish assemblages--Species richness estimates and sampling distance: Transactions of the American Fisheries Society, vol. 134, p. 59-67. doi: 10.1577/FT03-094.1 Available Online
Mosier, E.L., Papp, C.S.E., Motooka, J.M., Kennedy, K.R., and Riddle, G.O., 1991, Sequential extraction analyses of drill core samples, Central Oklahoma aquifer: U.S. Geological Survey Open-File Report 91-347, 42 p. Available Online
Crawford, Charles G., 2004, Sampling strategies for estimating acute and chronic exposures of pesticides in streams: Journal of the American Water Resources Association, vol. 40, no. 2, p. 485-502. doi: 10.1111/j.1752-1688.2004.tb01045.x Available Online
Hatzell, Hilda H., Oaksford, Edward T., and Ashbury, Clyde E., 1995, Sampling design and procedures for fixed surface-water sites in the Georgia-Florida Coastal Plain Study Unit, 1993: U.S. Geological Survey Open-File Report 95-279, 16 p. Available Online
Woods, Paul F., 2004, Role of limnological processes in fate and transport of nitrogen and phosphorus loads delivered into Coeur d'Alene Lake and Lake Pend Oreille, Idaho, and Flathead Lake, Montana: U.S. Geological Survey Professional Paper 1682, 44 p. Available Online
Moulton II, Stephen R., Kennen, Johathan G., Goldstein, Robert M., and Hambrook, Julie A., 2002, Revised protocols for sampling algal, invertebrate, and fish communities as part of the National Water-Quality Assessment Program: U.S. Geological Survey Open-File Report 02-150, 75 p. Available Online
Fitzpatrick, Faith A., Waite, Ian R., D'Arconte, Patricia J., Meador, Michael R., Maupin, Molly A., and Gurtz, Martin E., 1998, Revised methods for characterizing stream habitat in the National Water-Quality Assessment Program: U.S. Geological Survey Water-Resources Investigations Report 98-4052, 67 p. Available Online
Fitzgerald, Sharon A., 1997, Results of quality-control sampling of water, bed sediment, and tissue in the Western Lake Michigan Drainages Study Unit of the National Water-Quality Assessment Program: U.S. Geological Survey Water-Resources Investigations Report 97-4148, 24 p. Available Online
Gurtz, Martin E., and Muir, Thomas A., 1994, Report on the interagency biological methods workshop: U.S. Geological Survey Open-File Report 94-490, 85 p. Available Online
Terrio, Paul J., 1993, Relations of changes in wastewater-treatment practices to changes in stream-water quality during 1978-88 in the Chicago area, Illinois, and implications for regional and National water-quality assessments: U.S. Geological Survey Water-Resources Investigations Report 93-4188, 56 p. Available Online
Koterba, M.T., and Shedlock, R.J., 1991, Regional and targeted ground-water-quality networks in the Delmarva Peninsula, Delaware, Maryland and Virginia: American Chemical Society Symposium Series 465, p. 110-138.
Hitt, Kerie J., 1994, Refining 1970's land-use data with 1990 population data to indicate new residential development: U.S. Geological Survey Water-Resources Investigations Report 94-4250, 15 p. Available Online
McMahon, Gerard, and Cuffney, Thomas, 2000, Quantifying urban intensity in drainage basins for assessing stream ecological conditions: Journal of the American Water Resources Association, vol. 36, no. 6, December 2000, p. 1247-1261. doi: 10.1111/j.1752-1688.2000.tb05724.x Available Online
Meador, M.R., and Carlisle, D.M., 2007, Quantifying tolerance indicator values for common stream fish species of the United States: Ecological Indicators, vol. 7, p. 329-338. doi: 10.1016/j.ecolind.2006.02.004 Available Online
Potapova, M.G., Charles, D.F., Ponader, K.C., and Winter, D.M., 2004, Quantifying species indicator values for trophic diatom indices: a comparison of approaches: Hydrobiologia, vol. 517, p. 25-41. doi: 10.1016/j.ecolind.2005.10.001 Available Online
Falcone, James A., Carlisle, Daren M., and Weber, Lisa C., 2010, Quantifying human disturbance in watersheds: Variable selection and performance of a GIS-based disturbance index for predicting the biological condition of perennial streams: Ecological Indicators, vol. 10, no. 2, p. 264-273. doi:10.1016/j.ecolind.2009.05.005 Available Online
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