TY  - RPRT
TI  - Preliminary geologic map and section of the Barcus Creek Quadrangle, Rio Blanco County, Colorado
AU  - W. J. Hail
PY  - 1974
DO  - 10.3133/mf619
UR  - https://pubs.usgs.gov/publication/mf619
ID  - mf619
ER  -