@misc{indiciae93d08cb1c9e0, title = {Surface water supply of the United States, 1929, Part III, Ohio River basin}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1932}, doi = {10.3133/wsp683}, url = {https://pubs.usgs.gov/publication/wsp683}, note = {Source identifier: wsp683} }