1. Regional water-level changes for the Cambrian-Ordovician aquifer in Iowa, 1975 to 1997 Author/Creator: Turco, Michael J., author Publication/Creation: Iowa City, Iowa : U.S. Department of the Interior, U.S. Geological Survey, 1999 Resource Type: Book Access & Availability: Loading
2. Agricultural chemicals in ground and surface water in a small watershed in Clayton County, Iowa, 1988-91 Author/Creator: Kalkhoff, Stephen J., author Publication/Creation: Iowa City, Iowa : U.S. Geological Survey, 1995 Resource Type: Book Access & Availability: Loading
3. Water quality of Corydon Reservoir before implementation of agricultural best-management practices in the basin, Wayne County, Iowa, September 1990 to September 1991 Author/Creator: Kalkhoff, Stephen J., author Publication/Creation: Iowa City, Iowa : U.S. Geological Survey, 1993 Resource Type: Book Access & Availability: Loading
4. Water quality of Corydon Reservoir before implementation of agricultural best-management practices in the basin, Wayne County, Iowa, September 1990 to September 1991 Author/Creator: Kalkhoff, Stephen J., author Publication/Creation: Iowa City, Iowa : U.S. Geological Survey, 1993 Resource Type: Book Access & Availability: Loading
5. Availability and quality of water from the alluvial, glacial-drift, and Dakota aquifers and water use in southwest Iowa Author/Creator: Hansen, R. E., author Publication/Creation: Iowa City, Iowa : U.S. Geological Survey, 1992 Resource Type: Book Access & Availability: Loading
6. Time of travel and dispersion in a selected reach of Roberts Creek, Clayton County, Iowa Author/Creator: Kolpin, Dana W., author Publication/Creation: Iowa City, Iowa : U.S. Geological Survey, 1992 Resource Type: Book Access & Availability: Loading
7. Time of travel and dispersion in a selected reach of Roberts Creek, Clayton County, Iowa Author/Creator: Kolpin, Dana W., author Publication/Creation: Iowa City, Iowa : U.S. Geological Survey, 1992 Resource Type: Book Access & Availability: Loading
8. Availability and quality of water from the alluvial, glacial-drift, and Dakota aquifers and water use in southwest Iowa Author/Creator: Hansen, R. E., author Publication/Creation: Iowa City, Iowa : U.S. Geological Survey, 1992 Resource Type: Book Access & Availability: Loading
9. 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
10. Ground-water-quality-monitoring program in Iowa : nitrate and pesticides in shallow aquifers Author/Creator: Detroy, Mark G., author Publication/Creation: Iowa City, Iowa : Department of the Interior, U.S. Geological Survey, 1988 Resource Type: Book Access & Availability: Loading