Hydrogeologic, water-quality, and land-use data for the reconnaissance of herbicides and nitrate in near-surface aquifers of the midcontinental United States, 1991
| Main Author: | Kolpin, Dana W. |
|---|---|
| Other Authors: | Burkart, M. R., Thurman, E. M. 1946-, Geological Survey (U.S.) |
| Format: | Microfilm |
| Language: | English |
| Published: |
Iowa City, Iowa : Denver, Colo. :
U.S. Dept. of the Interior, U.S. Geological Survey ; Books and Open-File Reports [Section, distributor],
1993.
|
| Physical Description: |
iv, 61 pages : illustrations, map ; 28 cm. |
| Series: |
U.S. Geological Survey open-file report ;
93-114. |
| Subjects: |