@misc{indiciaeaf7d7d18c98b, title = {Water resources data for Pennsylvania, water year 1979; Volume 1, Delaware River basin}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1980}, doi = {10.3133/wdrpa791}, url = {https://pubs.usgs.gov/publication/wdrPA791}, note = {Source identifier: wdrPA791} }