TY  - RPRT
TI  - Geologic map of the Twomile Creek Quadrangle, Richland and Roosevelt counties, Montana
AU  - R. B. Colton
PY  - 1982
DO  - 10.3133/mf1413
UR  - https://pubs.usgs.gov/publication/mf1413
ID  - mf1413
ER  -