TY  - BOOK
AU  - Burbank,W.S.
AU  - Henderson,Charles William
ED  - Colorado State Metal Mining Fund.
TI  - Geology and ore deposits of the Bonanza mining district, Colorado,
AV  - TN24.C6 B4 no. 169
PY  - 1932///
CY  - Washington
PB  - U.S. Govt. Print. Off.
KW  - Geology
KW  - Colorado
KW  - Saguache County
KW  - Ore deposits
KW  - Mines and mineral resources
N1  - At head of title: United States Department of the Interior; Map, 2 plans and diagram folded in pocket; Bibliographical foot-notes
ER  -