TY  - RPRT
TI  - A preliminary report on the copper-cobalt deposits of the Quartzburg district, Grant County, Oregon
AU  - John Stewart Vhay
PY  - 1960
DO  - 10.3133/ofr60143
UR  - https://pubs.usgs.gov/publication/ofr60143
ID  - ofr60143
ER  -