TY  - BOOK
AU  - Gilluly,James
TI  - The Ajo mining district, Arizona
AV  - QE75 .P9 no. 209
U1  - 557.91 
PY  - 1946///
CY  - Washington
PB  - U.S. Govt. Print. Off.
KW  - Geology
KW  - Arizona
KW  - Pima County
KW  - Mines and mineral resources
N1  - Part of the illustrative matter is folded; part in pocket; Bibliographical footnotes
ER  -