Goolsby, D. A.

Occurrence and transport of agricultural chemicals in the Mississippi River basin, July through August 1993 by Donald A. Goolsby, William A. Battaglin, and E. Michael Thurman. - [Washington] Denver, CO U.S. G.P.O. Free on application to the U.S. Geological Survey, Map Distribution 1993. - v, 22 p. ill., maps 28 cm. - Floods in the Upper Mississippi River basin, 1993 ch. C U.S. Geological Survey circular 1120-C .

Title on p. [4] of cover: Occurrence and transport, agricultural chemicals, Mississippi River basin, July through August, 1993.

Includes bibliographical references (p. 21-22).

93023656


Agricultural chemicals--Environmental aspects--Mississippi River Watershed.
Water--Pollution--Mississippi River Watershed.

GB1217 TD427.A35 / .F58 1993 ch. C

551.48/9/0977 s 628.1/6842

I 19.4/3:CI 1120-C