TY - RPRT TI - Water resources data, Pennsylvania, water year 2004—Volume 2. Susquehanna and Potomac River basins AU - R.R. Durlin AU - W.P. Schaffstall PY - 2005 DO - 10.3133/wdrpa042 UR - https://pubs.usgs.gov/publication/wdrPA042 ID - wdrPA042 ER -