National Water-Quality Assessment (NAWQA) Program
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Showing results 1026 to 1051 of 2001.
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Lenz, Bernard N., 1997, Feasibility of combining two aquatic benthic macroinvertebrate community data bases for water-quality assessment: U.S. Geological Survey Fact Sheet FS-132-97, 4 p. Available Online
Lenz, Bernard N., and Miller, Michael A., 1996, Comparison of aquatic macroinvertebrate samples collected using different field methods: U.S. Geological Survey Fact Sheet 216-96, 4 p. Available Online
Lenz, Bernard N., and Rheaume, S.J., 2000, Benthic invertebrates of fixed sites in the Western Lake Michigan Drainages, Wisconsin and Michigan, 1993-95: U.S. Geological Survey Water-Resources Investigations Report 95-4211-D, 30 p. Available Online
Levings, Gary W., Healy, Denis F., Richey, Steven F., and Carter, Lisa F., 1998, Water quality in the Rio Grande Valley, Colorado, New Mexico, and Texas, 1992-95: U.S. Geological Survey Circular 1162, 39 p. Available Online
Lewis, Lori J., and Turtora, Michael, 1998, Stream habitat characteristics at selected sites in the Georgia-Florida Coastal Plain: U.S. Geological Survey Water-Resources Investigations Report 98-4013, 23 p. Available Online
Lewis, M.E. and Brigham, M.E., 2004, National Field Manual for the Collection of Water-Quality Data, Chapter A5 Section 5.6.4 --Low-level Mercury: U.S. Geological Survey Techniques of Water-Resources Investigations, Book 9, 26 p. Available Online
Liao, Lixia, Green, Christopher T., Bekins, Barbara A., and Bohlke, J.K., 2012, Factors controlling nitrate fluxes in groundwater in agricultural areas: Water Resources Research, vol. 48, W00L09, 18 p. doi: 10.1029/2011WR011008, Available Online
Lico, Michael S., 1998, Quality of ground water beneath urban and agricultural lands in Las Vegas Valley and the Carson and Truckee River Basins, Nevada- -Implications for water supply: U.S. Geological Survey Water-Resources Investigations Report 97-4259, 24 p. Available Online
Lico, Michael S., and Pennington, R. Nyle, 1997, Concentrations, loads, and yields of potentially toxic constituents in irrigation-drain systems, Newlands Project area, Carson Desert, Nevada, Nov. 1994 - Oct. 1995: U.S. Geological Survey Water-Resources Investigations Report 97-4034, 58 p. Available Online
Linard, J.I., Wolock, D.M., Webb, R.M.T., and Wieczorek, M.E., 2009, Identifying hydrologic processes in agricultural watersheds using precipitation-runoff models: U.S. Geological Survey Scientific Investigations Report 2009-5126, 22 p. Available Online
Lindgren, R.J., Houston, N.A., Musgrove, M., Fahlquist, L.S., and Kauffman, L.J., 2011, Simulations of groundwater flow and particle-tracking analysis in the zone of contribution to a public-supply well in San Antonio, Texas: U.S. Geological Survey Scientific Investigations Report 2011-5149, 93 p. Available Online
Lindgren, Richard J., Houston, Natalie A., Musgrove, MaryLynn, Fahlquist, Laura S., and Kauffman, Leon J., 2011, Hydrogeologic setting and groundwater-flow simulations of the South-Central Texas regional study area, Texas, Section 3 in Eberts, Sandra M., ed., Hydrogeologic settings and groundwater-flow simulations for regional investigations of the transport of anthropogenic and natural contaminants to public-supply wells--Investigations begun in 2004: U.S. Geological Survey Professional Paper 1737-B, Section 3, p. 3-1 to 3-51. Available Online
Lindsey, B.D., and Rupert, M.G., 2012, Methods for evaluating temporal groundwater quality data and results of decadal-scale changes in chloride, dissolved solids, and nitrate concentrations in groundwater in the United States, 1988-2010: U.S. Geological Survey Scientific Investigations Report 2012-5049, 46 p. Available Online
Lindsey, B.D., Berndt, M.P., Katz, B.G., Ardis, A.F., and Skach, K.A., 2009, Factors affecting water quality in selected carbonate aquifers in the United States, 1993-2005: U.S. Geological Survey Scientific Investigations Report 2008-5240, 117 p. Available Online
Lindsey, B.D., Falls, W.F., Ferrari, M.J., Zimmerman, T.M., Harned, D.A., Sadorf, E.M., and Chapman, M.J., 2006, Factors affecting occurrence and distribution of selected contaminants in ground water from selected areas in the Piedmont Aquifer System, eastern United States, 1993-2003: U.S. Geological Survey Scientific Investigations Report 2006-5104, 72 p. Available Online
Lindsey, B.D., Katz, B.G., Berndt, M.P., Ardis, A.F., and Skach, K.A., 2010, Relations between sinkhole density and anthropogenic contaminants in selected carbonate aquifers in the eastern United States: Environmental Earth Sciences, vol. 60, no. 5, p. 1073-1090. doi: 10.1007/s12665-009-0252-9 Available Online
Lindsey, Bruce D., and Ator, Scott W., 1996, Radon in ground water of the Lower Susquehanna and Potomac River Basins: U.S. Geological Survey Water-Resources Investigations Report 96-4156, 6 p. Available Online
Lindsey, Bruce D., Breen, Kevin J., Bilger, Michael D., and Brightbill, Robin A., 1998, Water quality in the Lower Susquehanna River Basin, Pennsylvania and Maryland, 1992-95: U.S. Geological Survey Circular 1168, 38 p. Available Online
Lindsey, Bruce D., Loper, Connie A., and Hainly, Robert A., 1997, Nitrate in ground water and stream base flow in the Lower Susquehanna River Basin, Pennsylvania and Maryland: U.S. Geological Survey Water-Resources Investigations Report 97-4146, 66 p. Available Online
Litke, D.W., 1995, Nutrients in the South Platte River, 1993-95: U.S. Geological Survey Fact Sheet 105-95, 2 p. Available Online
Litke, David W., 1996, Sources and loads of nutrients in the South Platte River, Colorado and Nebraska, 1994-95: U.S. Geological Survey Water-Resources Investigations Report 96-4029, 31 p. Available Online
Litke, David W., 2001, Historical water-quality data for the High Plains Regional Ground-Water Study Area in Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming 1930-98: U.S. Geological Survey Water-Resources Investigations Report 00-4254, 65 p. Available Online
Litke, David W., 1999, Review of phosphorus control measures in the United States and their effects on water quality: U.S. Geological Survey Water-Resources Investigations Report 99-4007, 38 p. Available Online
Litke, David W., and Kimbrough, Robert A., 1998, Water-quality assessment of the South Platte River Basin, Colorado, Nebraska, and Wyoming--Environmental setting and water-quality of fixed sites, 1993-95: U.S. Geological Survey Water-Resources Investigations Report 97-4220, 61 p. Available Online
Liu, Shiping, Yen, Steven T., and Kolpin, Dana W., 1996, Pesticides in ground water: Do atrazine metabolites matter?: Journal of the American Water Resources Association, vol. 32, no. 4, August 1996, p. 845-853. doi: 10.1111/j.1752-1688.1996.tb03481.x Available Online
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