Geology and ore deposits of the Philipsburg quadrangle, Montana /
by William Harvey Emmons and Frank Cathcart Calkins.
- Washington : U.S. Gov't. Print. Off, 1913.
- 271 p. : ill., plates, maps (in pocket), diagrs. ; 29 cm.
- Geological Survey (U.S.). Geological Survey professional paper ; no. 78 .
- Geological Survey professional paper ; no. 78. .
Bibliography: p. 24-26.
gs 13000474
Geology--Montana. Mines and mineral resources--Montana.