TY  - RPRT
TI  - Mineral resources of the American Flats Wilderness Study Area, Ouray and Hinsdale counties, Colorado
AU  - Ken Hon
AU  - V. J. S. Grauch
AU  - D. J. Bove
AU  - B.J. Hannigan
PY  - 1987
DO  - 10.3133/b1715a
UR  - https://pubs.usgs.gov/publication/b1715A
ID  - b1715A
ER  -