TY  - RPRT
TI  - Photogeologic map, Elk Ridge 2 quadrangle, San Juan County, Utah
AU  - Robert J. Hackman
PY  - 1954
DO  - 10.3133/ofr54113
UR  - https://pubs.usgs.gov/publication/ofr54113
ID  - ofr54113
ER  -