@misc{indiciae88e4b688f58d, title = {Surface water supply of the United States, 1938, Part III, Ohio River basin}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1940}, doi = {10.3133/wsp853}, url = {https://pubs.usgs.gov/publication/wsp853}, note = {Source identifier: wsp853} }