Water-quality data from the observation-well network in Illinois, 1985-87
By: by David C. Voelker, Daniel J. Oberg, and Mary J. Grober ; prepared in cooperation with the Illinois Environmental Protection Agency
Contributors: Oberg, Daniel J; Grober, Mary J; Illinois. Environmental Protection Agency; Geological Survey (U.S.)
Series: U.S. Geological Survey open-file report -- 87-538
Publisher: Dept. of the Interior, U.S. Geological Survey; Books and Open-File Reports Section, distributor
Published: 1988
Place of publication: Denver, CO
Language: eng
Format: Microform
Number of pages: 15
Subjects: Groundwater -- Illinois -- Statistics; Water quality -- Illinois -- Statistics
Other titles: Water quality data from the observation-well network in Illinois, 1985-87
Notes: Chiefly tables

Includes bibliographical references (p. 6)