TY  - RPRT
TI  - Reconnaissance geologic map of the Gu Achi Quadrangle, Pima County, Arizona
AU  - J.A. Briskey
AU  - Gordon Haxel
AU  - J.A. Peterson
AU  - T. G. Theodore
PY  - 1978
DO  - 10.3133/mf965
UR  - https://pubs.usgs.gov/publication/mf965
ID  - mf965
ER  -