TY  - RPRT
TI  - Geologic map of the San Simon Quadrangle and parts of the Summit Hills and Mondel quadrangles, Cochise, Graham, and Greenlee counties, Arizona, and Hidalgo County, New Mexico
AU  - D.H. Richter
AU  - Viki A. Lawrence
AU  - Harald Drewes
AU  - T.H. Young
AU  - M.S. Enders
AU  - P.E. Damon
AU  - C.H. Thorman
PY  - 1990
DO  - 10.3133/i1951
UR  - https://pubs.usgs.gov/publication/i1951
ID  - i1951
ER  -