TY  - RPRT
TI  - Geologic map of the Eastern Pioneer Mountains, Beaverhead County, Montana
AU  - R. C. Pearson
AU  - E-an Zen
PY  - 1985
DO  - 10.3133/mf1806a
UR  - https://pubs.usgs.gov/publication/mf1806A
ID  - mf1806A
ER  -