TY  - RPRT
TI  - Geologic map of the Roan Plateau area, northwestern Colorado
AU  - W. J. Hail
AU  - R. B. O'Sullivan
AU  - M. C. Smith
PY  - 1989
DO  - 10.3133/i1797c
UR  - https://pubs.usgs.gov/publication/i1797C
ID  - i1797C
ER  -