Work plan for regional reconnaissance for selected herbicides and nitrate in ground water of the mid-continent United States, 1991
By: by Dana W. Kolpin and Michael R. Burkart
Contributors: Burkart, M. R; Geological Survey (U.S.)
Series: Open-file report -- 91-59; U.S. Geological Survey open-file report -- 91-59
Publisher: U.S. Geological Survey; Books and Open-File Reports [distributor]
Published: 1991
Place of publication: Iowa City, Iowa; Denver, Colo
Language: eng
Format: Microform
Number of pages: 18
Subjects: Water quality -- Middle West -- Measurement; Water -- Pollution -- Middle West -- Measurement
Notes: Distributed to depository libraries in microfiche

Shipping list no.: 92-0531-M

Includes bibliographical references (p. 15-16)

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1992] 1 microfiche