TY - RPRT TI - Water resources data, Pennsylvania, water year 1993. Volume 2. Susquehanna and Potomac River basins AU - R.R. Durlin AU - W.P. Schaffstall PY - 1994 DO - 10.3133/wdrpa932 UR - https://pubs.usgs.gov/publication/wdrPA932 ID - wdrPA932 ER -