01108cam a22002771 4500 gs 39000253 DLC 20260227111344.0 850320s1939 dcuabf 000 0 eng c gs 39000253 (OCoLC)11829522 U.S. Geol. Survey. Library TxHR DLC premarc TN805.M9 C6 TN805.M9 C6 Copy 2. Collier, Arthur J. (Arthur James), 1866-1939. The coal resources of McCone County, Montana, by A. J. Collier and M. M. Knechtel. Washington, U.S. Govt. Print. Off., 1939. vii, 80 p. incl. illus., tables, diagrs. 16 pl. on 11 l. (incl. fold. maps, fold. diagrs.) 23 cm. Geological Survey (U.S.) Bulletin 905 At head of title: United States Department of the Interior. Geological Survey. Folded colored map (pl. 16) in pocket. Coal mines and mining Montana. Geology Montana McCone County. Knechtel, Maxwell M. (Maxwell McMichael), 1897- joint author. 27573 27573