TY  - RPRT
TI  - Analytical results and sample locality map of volcanic rocks from the Pedregosa Mountains, Arizona
AU  - William E. Brooks
AU  - Harald Drewes
PY  - 1991
DO  - 10.3133/ofr91617
UR  - https://pubs.usgs.gov/publication/ofr91617
ID  - ofr91617
ER  -