Mine Presidio Terlingua, Tex_____ 
 do Brewster do___________ 
Plant Tarrant Chicago, Ill________ 
~do 
~do 
  
Mine 
Plant 
~~do 
  
~do 
 
Brine wells__________________ ~do 
~do 
Underground mine and brine wells. Brine wells__________________ ~do 
Brine wells__________________ 
  
~do 
Underground mine 
Brine wells__________________ 
Harris______ ~do 
Midland      
Presidio      
Dallas 
Tarrant_____ 
Dallas 
Nolan 
 
Chambers     
Brazoria      
Ward 
Van Zandt    
Hutchinson_ - - - 
Duval 
Jefferson      
Harris______ 
Fort Bend    
Harris______ 
Yoakum      
Houston, Tex      ~do 
Midland, Tex 
~do 
Dallas, Tex________ 
Fort Worth, Tex 
Irving, Tex         
Chicago, Ill         
 
Cleveland, Ohio 
Midland, Mich      
Monahans, Tex      
Chicago, Ill         
Bartlesville, Okla___ 
Corpus Christi, Tex... 
Houston, Tex       
  
~do 
  
Denver City, Tex - - - 
LTj 
 
 
L~i 
 
 
 
 
 
 
 
 
0 
Also lime and magnesium. 
 
 
 
 
 
 
 
 
 
 
Also clay. 
Also stone. 
 
 
Also clay. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Silica sand. 
Mercury: 
Butte Mining Corp                  Diamond Shamrock Corp              
Mica: Western Mica Company, Division of United States Gypsum Co. 
Perlite: 
Filter Media, Inc___________________ 
Perlite of Houstin, Inc_______________ 
Perlite Industries, Inc 
Perlite Producers, Inc 
Perlite Products Co                  
Sil-Flo Corp                        
Texas Lightweight Products Co 
U.S. Gypsum Co                    
Salt: 
Diamond Shamrock Corp 
The Dow Chemical Co 
Montex Chemical Co 
Morton Salt Co____________________ 
Phillips Petroleum Co 
Pittsburgh Plate Glass Co 
Texas Brine Corp___________________ Do 
United Salt Corp___________________ Do 
Vulcan Materials Co 
Sand and gravel: 
Barrett Industries  Capitol Aggregates, Inc_______________ 
 Do__________________________ 
 Do__________________________ Dresser Minerals___________________ The Fordyce
Co 
 Do. 
 Do__________________________ Fort Worth Sand & Gravel Co 
 Do__________________________ Gifford-Hill & Co., Inc 
 Do__________________________ 
 Do 
 Do      
Horton & Horton___________________ Do 
R. E. Janes Gravel Co                
 Do__________________________ 
 Do 
 Do__________________________ 
James-Prentice, Inc_________________ 
Panhandle Gravel West, Inc 
Parker Bros. & Co                  Do 
Pennsylvania Glass Sand Corp         Southwest Constr. Matis. Co 
 Do__________________________ 
 Do 
 Do 
Stationary Bexar 
 do  Guadalupe 
- - - do Travis 
 do Limestone___ 
 Hidalgo 
- - - do San Patricio_ - - 
 Victoria  Dallas 
 do Tarrant 
 Brazos 
- - do Robertson 
 Wharton 
 do Wichita 
Dredge  Colorado   
- - - do San Jacinto.... - 
Stationary  Borden 
- - - do Howard___ 
-- - do StonewalL   
- - - do Travis 
- - - do Crosby 
- - - do Potter____ 
-- - do Colorado____ 
Dredge  Harris______ 
Stationary  McCulloch - - - 
- - - do Dallas 
- - - do Henderson 
- - - do McLennan 
- - - do Tarrant 
San Antonio, Tex 
  
  
  
Kosse, Tex        San Antonio, Tex ~do 
  
Arlington, Tex      
  
Dallas, Tex        do 
~do 
~~do 
Houston, Tex______ ~do 
Austin, Tex       ~do       
- - - do 
do 
..~do 
Amarillo, Tex      Houston, Tex      ~do            
Hancock, West Va...~ 
Dallas, Tex     
- - - do 
- - - do 
- - - do