TY  - RPRT
TI  - Preliminary reconnaissance geologic map of the Bellota Ranch quadrangle, Pima County, Arizona
AU  - S. C. Creasey
AU  - Ted G. Theodore
PY  - 1975
DO  - 10.3133/ofr75295
UR  - https://pubs.usgs.gov/publication/ofr75295
ID  - ofr75295
ER  -