Assessment of stream conditions and trends in biological and water-chemistry data from selected streams in Chester County, Pennsylvania, 1981-97
By: by Andrew G. Reif ; in cooperation with Chester County Water Resources Authority.
Contributors: Chester County Water Resources Authority.; Geological Survey (U.S.)
Series: Water-resources investigations report -- 02-4242.
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey; Information Services [distributor]
Published: 2002
Place of publication: New Cumberland, Pa; Denver, CO
Language: eng
Number of pages: 77
Subjects: Water quality biological assessment -- Pennsylvania -- Chester County; Water -- Pennsylvania -- Chester County -- Sampling; Water -- Pennsylvania -- Chester County -- Analysis
Notes: Shipping list no.: 2003-0132-P.

Includes bibliographical references (p. 48-50).