@misc{indiciaeedb2cd3b1ad4, title = {Water resources data for Pennsylvania, water year 1978; Volume 1, Delaware River basin}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1979}, doi = {10.3133/wdrpa781}, url = {https://pubs.usgs.gov/publication/wdrPA781}, note = {Source identifier: wdrPA781} }