Atlantic Coastal Plain. Surface water supply of United States, 1931: pt. 1, North Atlantic slope drainage basins; Nathan C. Grover, chief hydraulic engineer, B. L. Bigwood, J. J. Dirzulaitis, A. W. Harrington, O. W. Hartwell, A. H. Horton, H. B. Kinnison, J. W. Mangan, and M. R. Stackpole, district engineers.