Arizona · Santa Cruz County
Plant

Three R Mill

Santa Cruz County, Arizona, United States
Copper
⌖ Show on mapUSGS source ↗
Commodities
PrimaryCopper
Commodity typeM
Economic & production
Development statusPlant
Identification
Deposit ID10258886
Alternate namesThree R Bluebird Mill, Semco Mill
RegionNA
Data scoreD
Coordinates31.47434, -110.76458
References
ADMR SEMCO CORP FILESCHRADER F C 1915 USGS BULL 582 P.282USBM CORONADO NATIONAL FOREST STUDY