Agricultural chemicals in ground and surface water in a small watershed in Clayton County, Iowa, 1988-91 /
by Stephen J. Kalkhoff and Bryan D. Schaap ; prepared in cooperation with Iowa Department of Natural Resources (Geological Survey Bureau).
Description
- Language(s)
-
English
- Published
-
Iowa City, Iowa : U.S. Dept. of the Interior, U.S. Geological Survey : 1996.
- Note
-
Shipping list no.: 96-0146-P.
- Physical Description
-
vi, 38 p. :
ill., maps ;
28 cm.
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