@misc{indiciae975907ed297f, title = {Surface water supply of the United States, 1961-65, Part 3. Ohio River basin, Volume 3. Ohio River basin from Louisville, Kentucky to Wabash River}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1971}, doi = {10.3133/wsp1909}, url = {https://pubs.usgs.gov/publication/wsp1909}, note = {Source identifier: wsp1909} }