TY  - RPRT
TI  - Geochemistry of Laramide and middle Tertiary plutons in the Ajo mining district, Pima County, Arizona
AU  - Dennis P. Cox
PY  - 1988
DO  - 10.3133/ofr88672
UR  - https://pubs.usgs.gov/publication/ofr88672
ID  - ofr88672
ER  -