TY  - BOOK
ED  - California.
TI  - Copper in California
T2  - Its Bulletin
AV  - TN24.C2 A3 no. 144
U1  - 553.43 
PY  - 1948///
CY  - San Francisco
KW  - Copper mines and mining
KW  - California
KW  - Copper ores
N1  - Bibliography: p. 359-387
ER  -