TY  - BOOK
AU  - Karlstrom,Thor N.V.
TI  - Geology and ore deposits of the Hecla mining district, Beaverhead County, Montana
AV  - TN24.M9 K3
PY  - 1948///
CY  - Butte
PB  - Montana School of Mines
KW  - Geology
KW  - Montana
KW  - Hecla district
KW  - Ore deposits
N1  - Bibliography: p. 85-87
ER  -