TY  - BOOK
AU  - Singewald,Quentin Dreyer
AU  - Butler,B.S.
TI  - Ore deposits in the vicinity of the London fault of Colorado,
T2  - U.S. Geological survey. Bulletin 911
AV  - TN24.C6 S5 no. 911
PY  - 1941///
CY  - Washington
PB  - U.S. Govt. Print. Off.
KW  - Ore deposits
KW  - Colorado
KW  - Geology
N1  - At head of title: United States Dept. of the Interior, Harold L. Ickes, secretary. Geological survey, W. C. Mendenhall, director; Eight folded plates in pocket; Prepared in cooperation with the state of Colorado and the Colorado metal mining fund; Bibliographical footnotes
ER  -