Surface water supply of the United States, 1932, Part III, Ohio River basin - Grover, Nathan C.; Burchhard, E.D.; Dirzulaitis, J.J.; Grosbach, H.E.; Harrington, A.; Horton, A.H.; Kessler, W.M.; King, W.R.; Lee, Lasley; Mangan, J.W.; McCashin, C.E.; Morgan, J. (Water Supply Paper, 1934)