Agricultural chemicals in Iowa's ground water, 1982-95-- what are the trends.

Bibliographic Details
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Koplin, Dana
Format:	Government Document Book
Language:	English
Published:	[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [1997]
Series:	Fact sheet (Geological Survey (U.S.)) ; FS-97-116.
Subjects:	Groundwater flow > Iowa. Hydrogeology > Iowa. Groundwater > Iowa.

Evans: US Documents (Annex 5th floor)