00794cam a22002291 4500 gs 10000442 DLC 20260227111310.0 921118s1910 dcuab u000 0 eng gs 10000442 (OCoLC)27274055 DLC MdBJ DLC TN490.M3 H3 Harder, Edmund Cecil, 1882- Manganese deposits of the United States with sections on foreign deposits, chemistry, and uses, by Edmund Cecil Harder. Washington, Govt. print. off., 1910. 298 p. illus., II fold. maps (1 in pocket) diagrs. 23 cm. U.S. Gelogical survey. Bulletin 427 Bibliography: p. 284-288. Manganese. Geological Survey (U.S.). Bulletin ; 427. 24940 24940