1. Occurrence of selected trace elements and organic compounds and their relation to land use in the Willamette River basin, Oregon, 1992-94 Author/Creator: Anderson, Chauncey W., author Publication/Creation: Portland, Oregon : U.S. Department of the Interior, U.S. Geological Survey, 1996 Resource Type: Book Access & Availability: Loading
2. Occurrence of nitrate and pesticides in ground water beneath three agricultural land-use settings in the eastern San Joaquin Valley, California, 1993-1995 Author/Creator: Burow, Karen R., author Publication/Creation: Sacramento, California : U.S. Geological Survey, 1998 Resource Type: Book Access & Availability: Loading
3. Occurrence and transport of cadmium, lead, and zinc in the Spokane River basin, Idaho and Washington, water years 1999-2001 Author/Creator: Clark, G. M. 1958- (Gregory M.) Publication/Creation: Boise, Idaho : U.S. Dept. of the Interior, U.S. Geological Survey, 2003 Resource Type: Book Access & Availability: Loading
4. Occurrence, distribution, and loads of selected pesticides in streams in the Lake Erie-Lake St. Clair Basin, 1996-98 Author/Creator: Frey, Jeffrey W., author Publication/Creation: Indianapolis, Indiana : U.S. Department of the Interior, U.S. Geological Survey, 2001 Resource Type: Book Access & Availability: Loading
5. Occurrence, distribution, and loads of selected pesticides in streams in the Lake Erie-Lake St. Clair Basin, 1996-98 Author/Creator: Frey, Jeffrey W. Publication/Creation: Indianapolis, Ind. : U.S. Dept. of the Interior, U.S. Geological Survey, 2001 Resource Type: Book Access & Availability: Loading
6. Organochlorine compounds in streambed sediment and in biological tissue from streams and their relations to land use, central Arizona Author/Creator: Gebler, J. B. (Joseph B.), author Publication/Creation: Tucson, Arizona : U.S. Department of the Interior, U.S. Geological Survey, 2000 Resource Type: Book Access & Availability: Loading
7. Organochlorine compounds in streambed sediment and in biological tissue from streams and their relations to land use, central Arizona Author/Creator: Gebler, J. B. (Joseph B.) Publication/Creation: Denver, CO : U.S. Geological Survey, Information Services [distributor]. Resource Type: Book Access & Availability: Loading
8. Occurrence and distribution of methyl tert-butyl ether and other volatile organic compounds in drinking water in the northeast and mid-atlantic regions of the United States, 1993-98 Author/Creator: Grady, Stephen J., author Publication/Creation: East Hartford, Connecticut : U.S. Department of the Interior, U.S. Geological Survey, 2001 Resource Type: Book Access & Availability: Loading
9. Occurrence and distribution of dissolved trace elements in the surface waters of the Yakima River Basin, Washington Author/Creator: Hughes, Curt A. Publication/Creation: Denver, CO : U.S. Geological Survey, Branch of Information Services [distributor]. Resource Type: Book Access & Availability: Loading
10. Occurrence and distribution of organochlorine pesticides, polychlorinated biphenyls, and trace elements in fish tissue in the lower Tennessee River Basin, 1980-98 Author/Creator: Knight, Rodney R. Publication/Creation: Denver, CO : U.S. Geological Survey, Branch of Information Services [distributor]. Resource Type: Book Access & Availability: Loading