The coal resources of McCone County, Montana,
Collier, Arthur J. 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.
At head of title: United States Department of the Interior. Geological Survey. Folded colored map (pl. 16) in pocket.
gs 39000253
Coal mines and mining--Montana.
Geology--Montana--McCone County.
TN805.M9 / C6
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.
At head of title: United States Department of the Interior. Geological Survey. Folded colored map (pl. 16) in pocket.
gs 39000253
Coal mines and mining--Montana.
Geology--Montana--McCone County.
TN805.M9 / C6