TY  - RPRT
TI  - Preliminary map showing surficial deposits in the south half of the Ovando Mountain Quadrangle, Powell County, Montana
AU  - Irving Jerome Witkind
PY  - 1977
DO  - 10.3133/ofr77465
UR  - https://pubs.usgs.gov/publication/ofr77465
ID  - ofr77465
ER  -