Copper—Continued 
Kennecott Copper Corp., Ray Hayden, Ariz. 85235 Mines Division. 
 
Commodity and company Address Type of activity County   Other Remarks   
commodities 
Gold, silver, Leach-precipitation-flotation 
 pyrites, mill and copper smelter 
 at Hayden, Gila County. Flotation mill, copper smelter. 
Pinal         
 
 
Pinal 
 
 
- - do 
 
 
 
- - ~do       Yavapai       
 
Gila          
Phelps Dodge Corp Douglas, Ariz. 85607______ 
Gold, silver, molybdenum. 
 
Gold, silver, pyrites. 
 
Gold, silver     
 
 
Gold, silver, molybdenum, 
Do. 
Douglas custom smelter_ -Open pit mine and milL...... 
 
Open pit mine, precipitation plant. 
 
Open pit mine and plant - 
Gold, silver   Silver, zinc, molybdenum. 
Open pit mine and mill_.. Mohave Stone (quartz). 
Underground mine Cochise______ 
Table 17.—Principal producers and processing plants in 1967—Continued

 
 
 
Magma Copper Co.; San Manuel Division. 
 Do Superior Division:__ - 
 
 
 
 Do__________________ McAlester Fuel Co__________ 
 
Miami Copper Co., a division of Tennessee Corp. 
 
 Do__________________ Pima Mining Co 
 
Ranchers Exploration and Development Corp. 
Diatomite: 
Arizona Gypsum Corp 
 
 
Feldspar: 
International Minerals & 
Chemicals Corp., Industrial 
Minerals Division. 
Fluorspar: 
C. L. Whitelock 
Box M 
San Manuel, Ariz. 85631 
Box 37 
Superior, Ariz. 85273 
 
 
do 
Box 907 
McAlester, Okla. 74501 
Box 100 
Miami, Ariz. 85539 
do________________ 
Box 7187 
Tucson, Ariz. 85713 
4204 Coal Ave., S.E. 
Albuquerque, N. Mex. 87108 
Box 6675 
Phoenix, Ariz. 85005 
Administration Center 
Old Orchard Road 
Skokie, Ill. 60079 
Box 698 
Benson, Ariz. 85602 
Open pit mine, leach dumps and in-place leaching, precipitation plant, mill,
smelter. 
Underground mine, mill, smelter. 
 
Underground mine, milL - - 
 
 
Custom smelter  Open pit mine, precipitation plant. 
Open pit mine, mill, leach dumps and in-place leaching, three precipitation
plants. 
Underground mine, three open pit mines, three mills, two smelters 
 
Cochise, Green.. Gold, silver, 
 lee, Pima. molybdenum. 
Cochise______ 
Pima 
Gila 
 
 
Pinal 
Heap leaching. 
 
Castle Dome leach dumps and precipitation plant; Copper Cities open-pit mine,
flotation mill, and precipitation plant; Miami in-place leaching and precipitation
plant. 
 
New Cornelia open-pit mine, flotation mill, and copper smelter at Ajo; Copper
Queen underground mine, Lavender open-pit mine, flotation mill, leach dumps,
and precipitation plant at Bisbee; Morenci open-pit mine, leach-precipitation.
flotation mill, leach dumps, precipitation plant and copper smelter at Morenci.

 
Flotation mill. 
 
Heap leaching. 
 
Stationary crushing, drying, grinding, and air-classifying plant at Mammoth.

 
Stationary crushing and screening plant; dry-grinding mill at Kingman.