TY  - BOOK
AU  - Schwartz,George M.
TI  - Geology of the San Manuel copper deposit, Arizona
T2  - Geological Survey professional paper 256
AV  - QE75 .P9 no. 256
U1  - 553.43 
PY  - 1953///
CY  - Washington
PB  - U.S. Govt. Print. Off.
KW  - Geology
KW  - Arizona
KW  - Pinal County
KW  - Copper ores
N1  - Part of the illustrative material is folded, part in pocket; "References": p. 63
ER  -