TY  - RPRT
TI  - Columnar sections of Mesozoic and Paleozoic rocks in the mountains of south-central Montana
AU  - L.S. Gardner
AU  - T. A. Hendricks
AU  - H.D. Hadley
AU  - C.P. Rogers
PY  - 1945
DO  - 10.3133/oc18
UR  - https://pubs.usgs.gov/publication/oc18
ID  - oc18
ER  -