Table 22.—Principal producers and processing plants in 1967 
 
Commodity and company Address Type of activity  County or Other commodities
Remarks   principal fields I 
Carbon dioxide, natural: 
Tenneco Oil Co 
 
Cement: 
Ideal Cement Co., a division of Ideal Basic Industries, Inc. 
 
Clays: 
 
Colorado Brick Co 
 
The Idealite Co  
 
Robinson Brick & Tile Co 
Well___________ 
 
 
Two plants       
Boulder, Jefferson.. Jefferson       Douglas, Elbert, 
El Paso, 
Jefferson. 
Underground mine Las Animas and plant. 
Routt 
 
Pitkin 
 
Routt 
 
- - - do         
 
 
Delta, Gunnison__.. 
Fluorspar: 
Allied Chemical Corp., 
Industrial Chemicals Division 
Gold: 
Idarado Mining Co 
 
Gypsum: 
Fibreboard Corp            
Gold, silver, lead, zinc. 
Box 70 
 
Morristown, N.J. 07960 
Ouray, Cob. 81427 See Zinc. 
See Zinc. 
 
 
Underground mine and plant. 
ITJ 
 
 
0 
w 
1789 New Montgomery Street Ope~pit mine and Fremont 
San Francisco, Calif. 94106  and plant. 
Ouray, San Silver, copper, 
 Miguel. lead, zinc. 
 Mine at Jamestown; flotation mill at Vabmont. 
Mine and crushing, grinding, and screonin~ plant at Coaldale; calcining equipment,
wallboard plant at Florence. 
8cc footnote at end of table, 
 
 
Coal, bituminous: 
CF&I Steel Corp 
 
 
Energy Coal Co 
 
Mid-Continent Coal & 
Coke Co. 
The Pittsburg & Midway Coal Mining Co. 
Seneca Coals, Ltd 
 
United States Steel Corp., Western District—Coal. 
Copper: 
Idarado Mining Co 
Box 1714 Durango, Cob. 81301 
620 Denver National Bldg. Denver, Cob. 80202 
Box 727 
Longmont, Cob. 80501 
420 Denver National Bldg. 
Denver, Cob. 80202. 
500 5. Santa Fe Drive 
Denver, Cob. 80223 
Box 316 
Pueblo, Cob. 81002 
2850 N. Meridian Street 
Indianapolis, md. 46208 
Carbondale, Cob. 81623 
Hanover Bldg., 15 W. 10th Street 
Kansas City, Mo. 64105 
301 N. Memorial Drive 
St. Louis, Mo. 63102 
Box 807 
Dragerton, Utah 84520 
 
Ouray, Cob 81427  
Three open pit mines. 
Open pit mine and plant. 
Eight open pit and two underground mines. 
Strip mine and plant. 
Two underground mines and plant. 
Strip mine and plant. 
do 
 
Underground mine.~. 
Montezuma 
 
(McElmo field). 
 
Fremont, Larimer_ 
 
Ouray, San 
 
Miguel. 
 
Boulder         
Stone Wet-process, two-rotary-kiln 
cement plant at Portland; dry-process, two-rotary-kiln plant near Laporte.

 
Two mines in Boulder County, 
one in Jefferson County. 
Expanding plant. 
 
One underground, three openpit mines in Douglas County; one open-pit mine
in Elbert County; two open-pit mines in El Paso County; one underground,
two open-pit mines in Jefferson County. 
 
Mine near Weston, Jeffrey- 
baum-jig washery plant at 
Minnequa, near Pueblo. 
' Mechanical crushing plant. 
 
Wet-washing-method plant. 
 
Mechanical crushing and oil 
treatment plant. 
Mechanical crushing plant. 
 
Mine on county line near 
Somerset.