TY  - RPRT
TI  - Reconnaissance map of the Willcox, Fisher Hills, Cochise, and Dos Cabezas quadrangles, Cochise and Graham Counties, Arizona
AU  - J.R. Cooper
PY  - 1960
DO  - 10.3133/mf231
UR  - https://pubs.usgs.gov/publication/mf231
ID  - mf231
ER  -