Ohio River. Surface water supply of United States, 1936: pt. 3, Ohio River basin; Nathan C. Grover, chief hydraulic engineer, H. C. Beekman, E. D. Burchard, J. J. Dirzulaitis, H. E. Grosbach, A. W. Harrington, A. H. Horton, William Kessler, Lasley Lee, J. W. Mangan, C. E. McCashin, and J. H. Morgan, district engineers.

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