Maps. Plan, Little Colorado River, Ariz., from Tolchico Dam site to Lyman reservoir. Cottonwood Wash to mile 43, Leroux Wash to mile 36, Puerco River to mile 39, dam sites; topography by G. A. Fischer, H. L. Henkel, B. F. Martin, A. S. Sollid, M. E. Volin, and Samuel H. Throm, surveyed in 1934, 1935, 1936, 1937, 1938, and 1939. Scale 1 m.= 2 in., scale 1:31,680 and 1:4,800 or 1 in.=400 ft., contour interval 5, 10, and 20 ft. n. p.

Tools