TY - RPRT TI - Water Resources Data, Pennsylvania, Water Year 2002, Volume 2. Susquehanna and Potomac River Basins AU - Randall R. Durlin AU - William P. Schaffstall PY - 2003 DO - 10.3133/wdrpa022 UR - https://pubs.usgs.gov/publication/wdrPA022 ID - wdrPA022 ER -