@misc{indiciae6c8449b25a1f, title = {Water resources data, Pennsylvania, water year 1997. Volume 2. Susquehanna and Potomac River basins}, author = {R.R. Durlin and W.P. Schaffstall}, year = {1998}, doi = {10.3133/wdrpa972}, url = {https://pubs.usgs.gov/publication/wdrPA972}, note = {Source identifier: wdrPA972} }