TY  - RPRT
TI  - Reconnaissance geologic map of the Horsefly Peak Quadrangle, Ouray, Montrose and San Miguel counties, Colorado
AU  - W. J. Hail
PY  - 1988
DO  - 10.3133/mf2059
UR  - https://pubs.usgs.gov/publication/mf2059
ID  - mf2059
ER  -