TY  - RPRT
TI  - Subsurface stratigraphy of Paleozoic rocks in southeastern Montana and adjacent parts of Wyoming and South Dakota
AU  - Constance Leatherock
PY  - 1950
DO  - 10.3133/oc40
UR  - https://pubs.usgs.gov/publication/oc40
ID  - oc40
ER  -