Assessment of stream quality using biological indices at selected sites in the Big Elk and Octoraro Creek basins, Chester County, Pennsylvania, 1981-97 /

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Bibliographic Details
Author / Creator:	Reif, Andrew G.
Imprint:	[Reston, Va.?] : [U.S. Dept. of the Interior, U.S. Geological Survey], [2002]
Description:	4 pages : illustrations, maps ; 28 cm.
Language:	English
Series:	USGS fact sheet ; FS-115-02 Fact sheet (Geological Survey (U.S.)) ; FS-02-115.
Subject:	Water quality biological assessment -- Pennsylvania -- Chester County. Water quality biological assessment -- Octoraro Creek (Pa. and Md.) Water quality biological assessment -- Big Elk Creek Watershed (Pa. and Md.)
Format:	E-Resource U.S. Federal Government Document Book
URL for this record:	http://pi.lib.uchicago.edu/1001/cat/bib/6531701

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Other authors / contributors:	Chester County Water Resources Authority. Geological Survey (U.S.)
Notes:	Caption title. "December 2002"--P. [1]. Includes bibliographical references (page 4). Available via Internet from the USGS web site. Address as of 3/12/03: http://pa.water.usgs.gov/reports/fs115-02.pdf; current access is available via PURL.
GPO item no.:	0621-L 0621-L (online)
Govt.docs classification:	I 19.127:115-02

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