TY  - RPRT
TI  - Preliminary map showing surficial deposits in the north half of the Ovando Quadrangle, Powell County, Montana
AU  - Irving Jerome Witkind
PY  - 1977
DO  - 10.3133/ofr77196
UR  - https://pubs.usgs.gov/publication/ofr77196
ID  - ofr77196
ER  -