TY  - RPRT
TI  - Geologic map of the west half of the Neihart 15-minute Quadrangle, central Montana
AU  - W. R. Keefer
PY  - 1972
DO  - 10.3133/i726
UR  - https://pubs.usgs.gov/publication/i726
ID  - i726
ER  -