A Snapshot Evaluation of Stream Environmental Quality in the Little Conestoga Creek Basin, Lancaster County, Pennsylvania: A Cooperative Project Between the Residents of Lancaster County, the Alliance for the Chesapeake Bay, and the U.S. Geological Survey
Connie A. Loper
ΡΠ°Π½. 1998β―Π³. Β· U.S. Department of the Interior, U.S. Geological Survey