Agricultural chemicals in Iowa's ground water, 1982-95-- what are the trends
By: Dana Koplin ... [et al.]
Contributors: Koplin, Dana; Geological Survey (U.S.)
Series: Fact sheet -- FS-116-97; Fact sheet (Geological Survey (U.S.)) -- FS-97-116
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey
Published: 1997
Place of publication: [Reston, Va.?]
Language: eng
Subjects: Groundwater flow -- Iowa; Hydrogeology -- Iowa; Groundwater -- Iowa
Other titles: USGS science for a changing world
Notes: Caption title

Shipping list no.: 97-0377-P

"September 1997"--P. [4]

Includes bibliographical references (p. [4])