TY  - RPRT
TI  - Preliminary bedrock geologic map of the Chiwaukum 4 NW Quadrangle, Chiwaukum Graben, Washington
AU  - John T. Whetten
PY  - 1980
DO  - 10.3133/ofr80456
UR  - https://pubs.usgs.gov/publication/ofr80456
ID  - ofr80456
ER  -