@misc{indiciaeaf18288d6197, title = {Surface water supply of the United States, 1944, Part III, Ohio River basin}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1947}, doi = {10.3133/wsp1003}, url = {https://pubs.usgs.gov/publication/wsp1003}, note = {Source identifier: wsp1003} }