Relations of biological indicators to nutrient data for lakes and streams in Pennsylvania and West Virginia, 1990-98
By: by Robin A. Brightbill and Edward H. Koerkle ; in cooperation with the Pennsylvania Department of Environmental Protection and the U.S. Environmental Protection Agency
Contributors: Koerkle, Edward H; Geological Survey (U.S.); Pennsylvania. Dept. of Environmental Protection; United States. Environmental Protection Agency
Series: Water-resources investigations report -- 03-4033
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey; U.S. Geological Survey, Branch of  Information Services [distributor]
Published: 2003
Place of publication: New Cumberland, Pa; Denver, CO
Language: eng
Number of pages: 67
Subjects: Water quality biological assessment -- West Virginia; Water quality biological assessment -- Pennsylvania; Nutrient pollution of water -- West Virginia; Nutrient pollution of water -- Pennsylvania; Biomass -- West Virginia; Plant nutrients -- West Virginia; Biomass -- Pennsylvania; Plant nutrients -- Pennsylvania
Notes: Shipping list no.: 2003-0218-P

Includes bibliographical references (p. 42-44)

Also available via Internet at the USGS web site. Address as of 08/01/03: http://pa.water.usgs.gov/reports/wrir03-4033.pdf; current access available via PURL