1. Radium and radon in ground water in the Chickies Quartzite, southeastern Pennsylvania Author/Creator: Senior, Lisa A., author Publication/Creation: Lemoyne, Pennsylvania : U.S. Department of the Interior, U.S. Geological Survey, 1995 Resource Type: Book Access & Availability: Loading
2. Recharge to the surficial aquifer system in Lee and Hendry counties, Florida Author/Creator: Krulikas, Richard K., author Publication/Creation: Tallahassee, Florida : U.S. Department of the Interior, U.S. Geological Survey, 1995 Resource Type: Book Access & Availability: Loading
3. Reconnaissance of ground-water quality in the North Platte Natural Resources District, western Nebraska, June-July 1991 Author/Creator: Verstraeten, I. M. (Ingrid Maria), author Publication/Creation: Lincoln, Nebraska : U.S. Geological Survey, 1995 Resource Type: Book Access & Availability: Loading
4. Relation between land use and quality of shallow, intermediate, and deep ground water in Nassau and Suffolk counties, Long Island, New York Author/Creator: Stackelberg, Paul E., author Publication/Creation: Coram, New York : U.S. Geological Survey, 1995 Resource Type: Book Access & Availability: Loading
5. Relation of fracture orientation to linear terrain features, anisotropic transmissivity, and seepage to streams in the karst Prairie du Chien group, southeastern Minnesota Author/Creator: Ruhl, J. F., author Publication/Creation: Mounds View, Minnesota : U.S. Geological Survey, 1995 Resource Type: Book Access & Availability: Loading
6. Relation of land use to nitrogen concentration in ground water in the Patuxent River Basin, Maryland Author/Creator: McFarland, E. Randolph, author Publication/Creation: Towson, Maryland : U.S. Geological Survey, 1995 Resource Type: Book Access & Availability: Loading
7. Relation of nitrate concentrations in ground water to well depth, well use, and land use in Franklin Township, Gloucester County, New Jersey, 1970-85 Author/Creator: MacLeod, C. L., author Publication/Creation: West Trenton, New Jersey : U.S. Geological Survey, 1995 Resource Type: Book Access & Availability: Loading
8. Results of ground-water, surface-water, and water-chemistry monitoring, Black Mesa area, northeastern Arizona, 1994 Author/Creator: Littin, G. R., author Publication/Creation: Tucson, Arizona : U.S. Geological Survey, 1995 Resource Type: Book Access & Availability: Loading