1. Maps. Plan, Little Missouri River, Marmarth, N. Dak., to North Fork in Wyoming, topography by H. L. Pumphrey, C. H. McKeag, G. C. Giles, J. L. Kuhn, R. H. Borgeson. F. C. Merritt. W. V. Davidson, L. T. Cook, R. K. Collins, R. W. Rumph, L. L. Young, R. J. MacGinnis, and W. R. Calvert, surveyed in 1945-47. Scale 1:24,000 or 1 in.=2,000 ft. n. p. Bookmark Corporate/Agency Authors: Geological Survey and Interior Dept. Publisher: Geological Survey Date: 1949 SuDoc number: I 19.23:L 725/sh.1-11