TY  - RPRT
TI  - Preliminary geologic map of the Rio Blanco Quadrangle, Rio Blanco and Garfield counties, Colorado
AU  - R. B. O'Sullivan
PY  - 1985
DO  - 10.3133/mf1816
UR  - https://pubs.usgs.gov/publication/mf1816
ID  - mf1816
ER  -