TY  - RPRT
TI  - Photogeologic map of the Agathla Peak 4 quadrangle, Navajo County, Arizona
AU  - Robert J. Hackman
PY  - 1952
DO  - 10.3133/ofr5257
UR  - https://pubs.usgs.gov/publication/ofr5257
ID  - ofr5257
ER  -