TY  - RPRT
TI  - Preliminary geologic map of the Beartooth Mountain quadrangle, Lewis and Clark County, Montana
AU  - G. D. Robinson
AU  - M. E. McCallum
PY  - 1991
DO  - 10.3133/ofr91113
UR  - https://pubs.usgs.gov/publication/ofr91113
ID  - ofr91113
ER  -