Sulfur (byproduct): 
Getty Oil Company 
Gulf Oil Corp                       
Pan American Petroleum Corp 
 Do 
 Do 
 Do 
 Do__________________________ Phillips Petroleum Co 
Phillips Petroleum Co 
 Do                          Shell Oil Co                        
 Do 
Warren Petroleum Corp 
 Do__________________________ 
 Do__________________________ 
 
Secondary Recovery - -      
- - - do             
- - - do                      
  
Franklin      
Jefferson      
Andrews      
Ector             
Scroggins, Tex 
Port Arthur, Tex 
Tulsa, Okla do 
- - - do             
- - - do                      
Hockley           
Van Zandt         
do 
do 
-- ~do                      
Wood             
do 
- - - do                      
Brazoria      
Bartlesville, Okia 
Secondary recovery        
- - - do                      
Crane        
Ector             
Bartlesville, Olda do 
- - - do                      
Cass         
Houston, Tex 
do                      
Karnes            
do 
- - - do                      
Crane        
Tulsa, OkIa 
- - - do                      
Hopkins           
do 
do                      
Karnes            
do 
Mine                       
Plant                            
Hudspeth    do       
Allamoore, Tex Chatsworth, Ga 
Mine                 
-- do                           
do      do       
Gonzales, Tex Trenton, N.J 
- - - do                      
Gillespie           
do 
Plant                       
Llano             
do 
Mine and plant                
Mine                       
Hudspeth     
Karnes       
Houston, Tex Falls City, Tex 
Mine and exfoliating plant       
Exfoliating plant         
- .do                      
Llano        
Bexar        
Dallas            
Midland, Tex Dallas, Tex 
do 
- - - do                      
Mine and plant                
Harris       
Starr        
Houston, Tex Mission, Tex 
 
 
 
 
 
 
 
 
Tale: 
Dallas Ceramics                     
Pioneer Talc Co                     
Southern Clay Products, Inc 
The United Sierra Division, Cyprus Mines Corp. 
 Do                           
 Do                           
Westex Talc Co 
Uranium: Susquehanna Western, Inc________ 
 Vermiculite: — 
    Perlite Producers, Inc                 
    Texas Vermiculite Co 
       Do                           
    Vermiculite Products, Inc              
Volcanic (pumicite) ash: Pozzolana, Inc       
  0