TY  - RPRT
TI  - Photogeologic maps of the Verdure 1, 2, 4, 6, 7, and 8 quadrangles, Utah and Colorado
AU  - Robert J. Hackman
PY  - 1952
DO  - 10.3133/ofr5263
UR  - https://pubs.usgs.gov/publication/ofr5263
ID  - ofr5263
ER  -