@misc{indiciae23f6c5dea93a, title = {Water resources data for Pennsylvania, water year 1980. Volume 3: Ohio River and St. Lawrence River basins}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1981}, doi = {10.3133/wdrpa803}, url = {https://pubs.usgs.gov/publication/wdrPA803}, note = {Source identifier: wdrPA803} }