USGS Series | Open-File Report |
---|---|
Report Number | 91-59 |
Title | Work plan for regional reconnaissance for selected herbicides and nitrate in ground water of the Mid-continental United States, 1991 |
Edition | - |
Language | ENGLISH |
Author(s) | Kolpin, D. W.; Burkart, M. R. |
Year | 1991 |
Originating office | |
USGS Library Call Number | (200) R29o no.91-59 |
Physical description | iv 18 p. :ill., maps ;28 cm. |
ISBN |
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