Assessment of stream quality using biological indices at selected sites in the Schuylkill River basin, Chester County, Pennsylvania, 1981-97 /
[Andrew G. Reif] ; in cooperation with the Chester County Water Resources Authority

APA Citation

Reif, A. G., Chester County Water Resources Authority., Geological Survey (U.S.). (2002). Assessment of stream quality using biological indices at selected sites in the Schuylkill River basin, Chester County, Pennsylvania, 1981-97. [New Cumberland, PA]: U.S. Geological Survey.

MLA Citation

Reif, Andrew G, Chester County Water Resources Authority, and Geological Survey (U.S.). Assessment of Stream Quality Using Biological Indices At Selected Sites In the Schuylkill River Basin, Chester County, Pennsylvania, 1981-97. [New Cumberland, PA]: U.S. Geological Survey, 2002.