@misc{indiciae8754b6623e11, title = {Water resources data for Pennsylvania; Volume 3, Ohio River and St. Lawrence River basins, water year 1976}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1977}, doi = {10.3133/wdrpa763}, url = {https://pubs.usgs.gov/publication/wdrPA763}, note = {Source identifier: wdrPA763} }