1. Water availability and vulnerability of ground water to contamination in northwestern Hardin County, Kentucky Author/Creator: Mull, D. S. 1933- (Donald S.), author Publication/Creation: Louisville, Kentucky : U.S. Geological Survey, 1990 Resource Type: Book Access & Availability: Loading
2. Water quality of alluvial aquifers, Carroll and Guthrie counties, Iowa, with emphasis on the occurrence of nitrate and pesticides, 1986-87 Author/Creator: Detroy, Mark G., author Publication/Creation: Iowa City, Iowa : U.S. Geological Survey, 1990 Resource Type: Book Access & Availability: Loading
3. Water resources of Codington and Grant counties, South Dakota Author/Creator: Hansen, Donald S., author Publication/Creation: Huron, South Dakota : U.S. Geological Survey, 1990 Resource Type: Book Access & Availability: Loading
4. Water resources of the Descanso Area, San Diego County, California Author/Creator: Duell, Lowell F. W., author Publication/Creation: Sacramento, California : U.S. Geological Survey, 1990 Resource Type: Book Access & Availability: Loading
5. Water-level maps of the Mississippi River Valley alluvial aquifer in eastern Arkansas, 1987 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Little Rock, Ark.] : U.S. Department of the Interior, U.S. Geological Survey, 1990 Resource Type: Map Access & Availability: Loading