TY  - RPRT
TI  - The Prichard Formation of the lower part of the Belt Supergroup (Middle Proterozoic), near Plains, Sanders County, Montana
AU  - Earle Rupert Cressman
PY  - 1985
DO  - 10.3133/b1553
UR  - https://pubs.usgs.gov/publication/b1553
ID  - b1553
ER  -