TY  - BOOK
AU  - Emmons,William H.
AU  - Calkins,Frank Cathcart,1878-
TI  - Geology and ore deposits of the Philipsburg quadrangle, Montana
T2  - Geological Survey (U.S.). Geological Survey professional paper
AV  - QE75 .P9 no. 78
PY  - 1913///
CY  - Washington
PB  - U.S. Gov't. Print. Off
KW  - Geology
KW  - Montana
KW  - Mines and mineral resources
N1  - Bibliography: p. 24-26
ER  -