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Bureau of Mines / Minerals yearbook area reports: domestic 1978-79
Year 1978-79, Volume 2 (1978-1979)

Krempasky, G. T.; Lawson, Don C.
Montana,   pp. 315-327 ff. PDF (1.3 MB)


Page 326

 
Aluminum: 
Anaconda Aluminum Co        
Antimony: 
U.S. Antimony Corp           
Columbia Falls, MT 59912 
Box 643 
Thompson Falls, MT 
59873 
Reduction plant        
Mine and plant        
Flathead. 
Sanders. 
Barite: 
Montana Barite Co            
Box 3296 Missoula, MT 59801 
Missoula. 
Cement: 
Ideal Basic Industries, Inc.'      
Box 8789 Denver, CO 80201 
Plant              
Gallatin. 
KaiserCement and Gypsum Corp.' 
300 Lakeside Dr. Oakland, CA 94666 
~_do             
Jefferson. 
Clays: 
International Minerals and 
Box 460 
Pit                
Carter. 
Chemical Corp. 
American ColloidCo           
Federal Bentonite Div., Aurora Metal Co. 
Belle Fourche, SD 57717 
5100 SuffieldCt. 
Skokie, IL 60067 
1019 Jerico Rd. 
Aurora, IL 60538 
Plantand pit      
- - - do             
Carbonand Phillips. 
Valley. 
Copper: 
The Anaconda Copper Co.2       
Gypsum: 
U.S. G~sum Co              
Iron ore: 
Anaconda, MT 59701 - - - 
101 South Wacker Dr. Chicago, IL 60606 
Smelter, refmery, mine, plant. 
Underground mine and plant. 
Silver Bow. Fergus. 
R&SIronCo               
Phosphaterock: 
ComincoAmerican, Inc         
Radersburg,MT59644~ 
Garrison, MT 59731 
 Mine              do             
Meagher. 
Powell. 
 Stauffer Chemical Co          Sand and gravel: 
 Barry0'Learylnc            
 McElroy and Wilkin Inc        
 Midland Materials Co          
229 Park Ave. New York, NY 10017 
Box 1102 
Billings, MT 59101 
Box 35 
Kalispell, MT 59901 
Box 2521 
Billings, MT 59103 
Plant              
Pit                
Pit                
Pit                
Silver Bow. 
Yellowstone. 
Flathead. 
Yellowstone. 
326 MINERALS YEARBOOK, 1978-79See footnotes at end of table. 
crete aggregate, asphaltic concrete, fill, firm that mined talc at the Willow
Creek plaster and granite sands, concrete prod- Mine. Most talc was shipped
out of Montana ucts, and as railroad ballast. A minor for use in the manufacture
of paper, paint, amount was used for snow and ice control. refractories,
toilet preparations, ceramics, 
 Stone.—Crushed stone produced in the roofing materials, insecticides,
and in rice State was used for the manufacture of polishing. Interest in
and exploration for cement, roadstone, lime manufacture, flux, talc continued
in southwestern Montana. 
riprap and jetty, surface treatment, road Chlorite, having some of the same
uses as base, concrete, bedding, railroad ballast, talc, was mined from a
recently developed sugar refining, ferrosilicon, exposed aggre- deposit near
Silver Star. 
gate, and as filler. More than 75% of the Vermiculite.—W. R. Grace
& Co. proState's stone production came from quarries duced crude
vermiculite
from its Rainy yielding in excess of 100,000 short tons per Creek Mine in
Lincoln County, primarily year. However, annual production from for further
treatment and sale outside of approximately 80% of the quarries oper- Montana.
The mine, which was the largest ating in the State was less than 25,000 short
source of crude vermiculite in the United tOfl5. States, was idled by a strike
for 3 weeks in Sulfur.—Two companies in Yellowstone 1978. Its production
in 1979 was approximCounty recovered sulfur as a byproduct ately the same
as in 1978. Neither year's from petroleum facilities, production quite equaled
that of 1977. 
 Talc.—Talc production continued at a __________ 
high rate from Cyprus' Yellowstone and ' State mineral specialist, Bureau
of Mines, Spokane, Beaverhead Mines and from Pfizer Inc.'s Wash. 
 °Staff field agent, Montana Bureau of Mines and GeoloTreasure Mine,
all in Madison County. Q~- ~, Butte, Mont. 
prus acquired Resource Processors, Inc. a 
Table 11.—Principal producers 
Commodity and company Address Type of activity County 


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