@misc{indiciaeedee5ecee637, title = {Water Resources Data, Pennsylvania, Water Year 2001, Volume 2. Susquehanna and Potomac River Basins}, author = {R.R. Durlin and W.P. Schaffstall}, year = {2001}, doi = {10.3133/wdrpa012}, url = {https://pubs.usgs.gov/publication/wdrPA012}, note = {Source identifier: wdrPA012} }