National Water-Quality Assessment (NAWQA) Program
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Showing results 976 to 1001 of 2000.
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Leland, Harry V., Brown, Larry R., and Mueller, David K., 2001, Distribution of algae in the San Joaquin River, California, in relation to nutrient supply, salinity and other environmental factors: Freshwater Biology, vol. 46, p. 1139-1167. Available Online
Leland, Harry V., and Porter, Stephen D., 2000, Distribution of benthic algae in the upper Illinois River basin in relation to geology and land use: Freshwater Biology, vol. 44, p. 279-301. doi: 10.1046/j.1365-2427.2000.00536.x Available Online
Leland, Harry V., 1995, Distribution of phytobenthos in the Yakima River Basin, Washington, in relation to geology, land use, and other environmental factors: Canadian Journal of Fisheries and Aquatic Sciences, vol. 52, May 1995, p. 1108-1129. Available Online
Lee, R.W., and Wilson, J.T., 1997, Trace elements and organic compounds associated with riverbed sediments in the Rio Grande/Rio Bravo Basin, Mexico and Texas: U.S. Geological Survey Fact Sheet FS-098-97, 6 p. Available Online
Lee, Kathy E., and Anderson, Jesse P., 1998, Water quality assessment of the Upper Mississippi River Basin, Minnesota and Wisconsin--Polychlorinated biphenyls in Common Carp and Walleye Fillets, 1975-95: U.S. Geological Survey Water-Resources Investigations Report 98-4126, 27 p. Available Online
Lee, Kathy E., 1998, U.S. Geological Survey's National Water Quality Assessment in the Upper Mississippi River Basin: MinneGram, Water Resources Center, University of Minnesota, March 1998, p. 4.
Lee, K.E., Lorenz, D.L., Petersen, J.C., and Greene, J.B., 2012, Seasonal patterns in nutrients, carbon, and algal responses in wadeable streams within three geographically distinct areas of the United States, 2007-08: U.S. Geological Survey Scientific Investigations Report 2012-5086, 55 p. Available Online
Lee, K.E., Huggins, D.G., and Thurman, E.M., 1995, Effects of hydrophyte community structure on atrazine and alachlor degradation in wetlands: in Campbell, Kenneth L., ed. 1995 Versatility of wetlands in the agricultural landscape, American Society of Agricultural Engineers, p. 525-538.
Leahy, P.P., Ryan, B.J., and Johnson, A. Ivan, 1993, An introduction to the U.S. Geological Survey's National Water-Quality Assessment Program: American Water Resources Association Water Resources Bulletin July/August 1993 vol. 29, no. 4, p. 529-532.
Leahy, P.P., and Wilber, W.G., 1991, The National Water-Quality Assessment (NAWQA) Program--A basis for water-resource policy development: Irrigation and drainage Proceedings 1991, Honolulu, HI, p. 711-717.
Leahy, P.P., and Wilber, W.G., 1991, National Water-Quality Assessment Program: U.S. Geological Survey Open-File Report 91-54, 2 p. Available Online
Leahy, P.P., and Thompson, T.H., 1994, U.S. Geological Survey National water-quality Assessment Program: U.S. Geological Survey Open-File Report 94-70, 4 p. Available Online
Leahy, P.P., and Schmidt, Jr., N.E., 1992, Volunteer for Science Program: Proceedings of Third National Citizens' Volunteer Water Monitoring Conference, 12 p.
Leahy, P.P., 1992, Consistent data on water quality--It's long overdue: Geotimes December 1992, p 5.
Leahy, P.P., 1990, Implementation plan for the National Water-Quality Assessment Program: U.S. Geological Survey Open-File Report 90-174, 10 p. Available Online
Lawrence, Stephen J., and Pennington, Nyle, 1998, Physical and geomorphological measurements for selected river segments in the Carson and Truckee River Basins, Nevada and California, 1993-96: U.S. Geological Survey Open-File Report 97-764, 135 p. Available Online
Lawrence, Stephen J., 1998, Trace-element enrichment in streambed sediment and crayfish, Carson and Truckee Rivers, Nevada and California, September 1992: U.S. Geological Survey Water-Resources Investigations Report 97-4258, 16 p. Available Online
Lawrence, S.J., and Seiler, R.L., 2002, Physical data and biological data for algae, aquatic invertebrates, and fish from selected reaches on the Carson and Truckee Rivers, Nevada and California, 1993-97: U.S. Geological Survey Open-File Report 02-012, 216 p. Available Online
Lathrop, T.R., 2006, Environmental setting of the Sugar Creek and Leary Weber Ditch Basins, Indiana, 2002-04: U.S. Geological Survey Scientific Investigations Report 2006-5170, 27 p. Available Online
Lathrop, T.R, and Moran, Dan, 2011, Organic compounds in White River water used for public supply near Indianapolis, Indiana, 2002-05: U.S. Geological Survey Fact Sheet 2010-3120, 6 p. Available Online
Larson, Steven J., Gilliom, Robert J., and Capel, Paul D., 1999, Pesticides in streams of the United States--Initial results from the National water-quality Assessment Program: U.S. Geological Survey Water-Resources Investigations Report 98-4222, 92 p. Available Online
Larson, Steven J., Crawford, Charles G., and Gilliom, Robert J., 2004, Development and application of watershed regressions for pesticides (WARP) for estimating atrazine concentration distributions in streams: U.S. Geological Survey Water-Resources Investigations Report 03-4047, 68 p. Available Online
Larson, Steven J., Capel, Paul D., Goolsby, D.A., Zaugg, S.D., and Sandstrom, M.W., 1995, Relations between pesticide use and riverine flux in the Mississippi River Basin: Chemosphere, vol. 31, no. 5, p. 3305-3321. doi: 10.1016/0045-6535(95)00176-9� Available Online
Larson, Steven J., and Gilliom, Robert J., 2001, Regression models for estimating herbicide concentrations in U.S. streams from watershed characteristics: Journal of the American Water Resources Association, vol. 37, no. 5, p. 1349-1367. doi: 10.1111/j.1752-1688.2001.tb03644.x Available Online
Larson, S.J., Capel, P.D., and Majewski, M.S., 1997, Pesticides in surface waters--Current understanding of distribution and major influences: U.S. Geological Survey Fact Sheet FS-039-97, 4 p. Available Online
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