Assessment of stream quality using biological indices at selected sites in the Brandywine Creek basin, Chester County, Pennsylvania, 1981-97 /
in cooperation with the Chester County Water Resources Authority

APA Citation

Reif, A. G., Geological Survey (U.S.)., Chester County Water Resources Authority. (2002). Assessment of stream quality using biological indices at selected sites in the Brandywine Creek basin, Chester County, Pennsylvania, 1981-97. [Reston, Va.?]: [U.S. Dept. of the Interior, U.S. Geological Survey].

MLA Citation

Reif, Andrew G, Geological Survey (U.S.), and Chester County Water Resources Authority. Assessment of Stream Quality Using Biological Indices At Selected Sites In the Brandywine Creek Basin, Chester County, Pennsylvania, 1981-97. [Reston, Va.?]: [U.S. Dept. of the Interior, U.S. Geological Survey], 2002.