TY  - RPRT
TI  - Reconnaissance geologic map of parts of the San Pedro and Aravaipa Valleys, south-central Arizona
AU  - S. C. Creasey
AU  - E.D. Jackson
AU  - R. A. Gulbrandsen
PY  - 1961
DO  - 10.3133/mf238
UR  - https://pubs.usgs.gov/publication/mf238
ID  - mf238
ER  -