Transport of agricultural chemicals in surface flow, tileflow, and streamflow of Walnut Creek Watershed near Ames, Iowa, April 1991-September 1993 /
by Philip J. Soenksen ; prepared in cooperation with the U.S. Department of Agriculture, Agricultural Research Service, National Soil Tilth Laboratory.
|Main Author:||Soenksen, P. J.|
Iowa City, Iowa : U.S. Dept. of the Interior, U.S. Geological Survey ; 1996.
Agricultural pollution /
Agricultural pollution / Iowa /
Agricultural pollution > Agricultural pollution / Iowa > Agricultural pollution / Iowa / Story County.
Agricultural chemicals > Agricultural chemicals / Environmental aspects > Agricultural chemicals / Environmental aspects / Iowa.
Shipping list no.: 97-0008-P.
iv, 41 p. :
ill., maps ;
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