TY  - RPRT
TI  - Preliminary map showing surficial deposits in the east half of the Peck Lake Quadrangle, Missoula and Lake counties, Montana
AU  - Irving Jerome Witkind
PY  - 1977
DO  - 10.3133/ofr77539
UR  - https://pubs.usgs.gov/publication/ofr77539
ID  - ofr77539
ER  -