TY  - RPRT
TI  - Reconnaissance geologic map of the western half of the Marcum Mountain Quadrangle, Powell County, Montana
AU  - W. Mark Weber
AU  - Irving Jerome Witkind
PY  - 1979
DO  - 10.3133/ofr79445
UR  - https://pubs.usgs.gov/publication/ofr79445
ID  - ofr79445
ER  -