Maps. Plan, Little Missouri River, Medora to Marmarth, N. Dak., topography by H. D. Tefft, jr., G. C. Giles, O. E. Norris, R. H. Borgeson, L. T. Cook, and H. L. Pumphrey, mapped 1947-49. Scale 1:24,000 or 1 in. = 2000 ft., contour interval on land 20 ft., on river surface 5 ft., 10 ft. contours added in dashed lines n. p.

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