TY  - RPRT
TI  - Cambrian(?), middle Proterozoic, and Archean rocks penetrated in a borehole near Argenta, Beaverhead County, Montana, and some paleogeographic and structural implications
AU  - Robert Carl Pearson
PY  - 1996
DO  - 10.3133/b2121b
UR  - https://pubs.usgs.gov/publication/b2121B
ID  - b2121B
ER  -