@misc{indiciaee5cf2ea55966, title = {Surface water supply of the United States, 1909, Part III, Ohio River basin}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1911}, doi = {10.3133/wsp263}, url = {https://pubs.usgs.gov/publication/wsp263}, note = {Source identifier: wsp263} }