Herbicides and nitrates in the Iowa River alluvial aquifer prior to changing land use, Iowa County, Iowa, 1996
By: Mark E. Savoca ... [et al.]
Contributors: Geological Survey (U.S.)
Series: Fact sheet -- FS 085-97; Fact sheet (Geological Survey (U.S.)) -- FS 97-085
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey
Published: 1997
Place of publication: [Iowa City, Iowa]
Language: eng
Subjects: Herbicides -- Environmental aspects; Nitrates -- Environmental aspects; Groundwater -- Pollution -- Iowa
Other titles: USGS science for a changing world
Notes: Caption title

Shipping list no.: 97-0350-P

"July 1997"--P. [4]

Includes bibliographical references (p. [4])