Table 20.—Principal producers of metals, minerals, and fuels—Continued

Commodity and company 
Type of activity 
County 
Address 
Remarks 
Stone—Continued 
 
 
 
 
Trap Rock Materials & Engr             
Union Quarries, Inc                    
Vigus Quarries, Inc                   Do                                
 
Quarry                  
Underground              
Quarry                 do.                 
St. Francois        
Jackson           
Jefferson           
St.Louis               
Iron Mountain, Mo      
Overland Park, Kans. 
St. Louis, Mo. do 
Mine tailings. 
Weiler Marble Co                         West Lake Quarry & Matl. Co.,
Inc             
Do                                  
Tripoli: 
The Carborundum Co., American Tripoli Division. 
do                  
do                   
do                  
 
Mill                    
Ste. Genevieve      
Scott             
St. Louis               
 
Newton           
Ste. Genevieve, Mo. Bridgeton, Mo. 
 
do               
 
Seneca. Mo. 
Also sand and gravel. 
Vermiculite: 
 
 
 
 
Zonolite Division, W. R. Grace & Co      Do                         
        
Exfoliating plant          do                   
Jackson          St. Louis               
Cambridge, Mass. 
do               
 
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