TY  - RPRT
TI  - Mississippian and Devonian stratigraphy of northwestern Montana
AU  - L.L. Sloss
AU  - Wilson M. Laird
PY  - 1945
DO  - 10.3133/oc15
UR  - https://pubs.usgs.gov/publication/oc15
ID  - oc15
ER  -