TY  - RPRT
TI  - Description of measured sections of the Pennsylvanian Quadrant Sandstone, Beaverhead, Madison, and Park counties, southwestern Montana
AU  - H.I. Saperstone
PY  - 1986
DO  - 10.3133/ofr86182
UR  - https://pubs.usgs.gov/publication/ofr86182
ID  - ofr86182
ER  -