21. Understanding the influence of nutrients on stream ecosystems in agricultural landscapes Author/Creator: Munn, Mark D., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2018 Resource Type: Book Access & Availability: Loading
22. The California stream quality assessment Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2017 Resource Type: Book Access & Availability: Loading
23. Optimal hydrograph separation using a recusive digital filter constrained by chemical mass balance, with application to selected Chesapeake Bay watersheds Author/Creator: Raffensperger, Jeffrey Peter, 1963- author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, [2017] Resource Type: Book Access & Availability: Loading
24. Maps and grids of hydrogeologic information created from standardized water-well drillers' records of the glaciated United States Author/Creator: Bayless, E. Randall 1961- (Edward Randall), author Publication/Creation: Reston, Virginia. : U.S. Department of the Interior, U.S. Geological Survey, 2017 Resource Type: Book Access & Availability: Loading
25. Design and testing of a process-based groundwater vulnerabilty assessment (P-GWAVA) system for predicting concentrations of agrichemicals in groundwater across the United States Author/Creator: Barbash, Jack E., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2014 Resource Type: Book Access & Availability: Loading
26. An overview comparing results from two decades of monitoring for pesticides in the nation's streams and rivers, 1992-2001 and 2002-2011 Author/Creator: Stone, Wesley W., author Publication/Creation: Reston, Virginia. : U.S. Department of the Interior, U.S. Geological Survey, 2014 Resource Type: Book Access & Availability: Loading
27. Quality of groundwater in the Denver Basin aquifer system, Colorado, 2003-5 Author/Creator: Musgrove, MaryLynn, 1964- author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2014 Resource Type: Book Access & Availability: Loading
28. Scaling up watershed model parameters--flow and load simulations of the Edisto River Basin, South Carolina, 2007-09 Author/Creator: Feaster, Toby D., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2014 Resource Type: Book Access & Availability: Loading
29. Water quality in the glacial aquifer system, northern United States, 1993-2009 Author/Creator: Warner, Kelly L., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2014 Resource Type: Book Access & Availability: Loading
30. Water quality in the Mississippi Embayment : Texas coastal uplands aquifer system and Mississippi River Valley alluvial aquifer, south-central United States, 1994-2008 Author/Creator: Kingsbury, James A., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2014 Resource Type: Book Access & Availability: Loading