TY  - RPRT
TI  - Preliminary geologic map of the Courtrock quadrangle, Grant County, Oregon
AU  - T. P. Thayer
AU  - C. Ervin Brown
PY  - 1967
DO  - 10.3133/ofr67212
UR  - https://pubs.usgs.gov/publication/ofr67212
ID  - ofr67212
ER  -