TY  - BOOK
AU  - Knopf,Adolph
ED  - California State Mining Bureau.
TI  - The Mother Lode system of California,
T2  - United States.  Geological Survey.  Professional paper
AV  - QE75 .P9 no. 157
PY  - 1929///
CY  - Washington
PB  - U.S. Govt. Print. Off.
KW  - Ore deposits
KW  - California
KW  - Gold mines and mining
N1  - At head of title: Department of the Interior; Map folded in pocket
ER  -