TY - RPRT TI - Water resources data, Pennsylvania, water year 2003—volume 2. Susquehanna and Potomac River basins AU - R.R. Durlin AU - W.P. Schaffstall PY - 2004 DO - 10.3133/wdrpa032 UR - https://pubs.usgs.gov/publication/wdrPA032 ID - wdrPA032 ER -