TY  - RPRT
TI  - Glacial map of Montana east of the Rocky Mountains
AU  - R. B. Colton
AU  - R. W. Lemke
AU  - R. M. Lindvall
PY  - 1961
DO  - 10.3133/i327
UR  - https://pubs.usgs.gov/publication/i327
ID  - i327
ER  -