Hudson Bay. Surface water supply of United States, 1936: pt. 5, Hudson Bay and upper Mississippi River basins; Nathan C. Grover, chief hydraulic engineer. C. L. Batchelder, H. C. Beckman, H. E. Grosbach, R. G. Kasel, W. A. Lamb, J. H. Morgan, and S. B. Soulé, district engineers.