Geology and ore deposits of the Philipsburg quadrangle, Montana /
Emmons, William H. 1876-
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.
QE75 / .P9 no. 78
I 19.16:78
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.
QE75 / .P9 no. 78
I 19.16:78