TY  - RPRT
TI  - Preliminary geologic map of the Douglas Pass Quadrangle, Garfield County, Colorado
AU  - V. F. Nuccio
PY  - 1985
DO  - 10.3133/mf1772
UR  - https://pubs.usgs.gov/publication/mf1772
ID  - mf1772
ER  -