TY  - RPRT
TI  - Preliminary geologic map of the Centennial Mountains Wilderness Study Area, Beaverhead County, Montana, and Clark and Fremont counties, Idaho
AU  - Irving Jerome Witkind
PY  - 1980
DO  - 10.3133/ofr80923
UR  - https://pubs.usgs.gov/publication/ofr80923
ID  - ofr80923
ER  -