1. Occurrence of beds of low hydraulic conductivity in surficial deposits of Florida Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
2. Occurrence of natural radium-226 radioactivity in ground water of Sarasota County, Florida Author/Creator: Miller, Ronald L. (Ronald Lewis), author Publication/Creation: Tallahassee, Florida : U.S. Geological Survey, 1985 Resource Type: Book Access & Availability: Loading
3. Occurrence and availability of ground water in the Athens region, northeastern Georgia Author/Creator: Radtke, Dean B., author Publication/Creation: Doraville, Georgia : U.S. Geological Survey, 1986 Resource Type: Book Access & Availability: Loading
4. Occurrence of dissolved sodium in ground waters in basalts underlying the Columbia Plateau, Washington Author/Creator: Bortleson, Gilbert Carl, 1940- author Publication/Creation: Tacoma, Washington : U.S. Geological Survey, 1986 Resource Type: Book Access & Availability: Loading
5. Organic compounds in ground water near a sanitary landfill in the town of Brookhaven, Long Island, New York Author/Creator: Pearsall, Kenneth A., author Publication/Creation: Syosset, New York : U.S. Geological Survey, 1986 Resource Type: Book Access & Availability: Loading
6. Occurrence and distribution of nitrate and herbicides in the Iowa River alluvial aquifer, Iowa--May 1984 to November 1985 Author/Creator: Detroy, Mark G., author Publication/Creation: Iowa City, Iowa : U.S. Geological Survey, 1988 Resource Type: Book Access & Availability: Loading
7. Observed and simulated distribution of selected herbicides in silty loam, sandy loam, and clay soil profiles near Topeka, Kansas, 1986-88 Author/Creator: Perry, Charles A., author Publication/Creation: Lawrence, Kansas : U.S. Geological Survey, 1991 Resource Type: Book Access & Availability: Loading
8. Overview of susceptibility of aquifers to contamination, Union County, Arkansas Author/Creator: Leidy, Valarie A., author Publication/Creation: Little Rock, Arkansas : U.S. Geological Survey, 1992 Resource Type: Book Access & Availability: Loading
9. Occurrence of nitrate, pesticides, and volatile organic compounds in the Kirkwood-Cohansey Aquifer system, southern New Jersey Author/Creator: Stackelberg, Paul E., author Publication/Creation: West Trenton, New Jersey : U.S. Department of the Interior, U.S. Geological Survey, 1997 Resource Type: Book Access & Availability: Loading
10. 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