Gulf Oil Corp 
Monsanto Co., Hydrocarbons & 800 N. Lindbergh Boulevard 
 Polymers Division. St. Louis, Mo. 63116 
Okinar Oil Co             
 
Pan American Petroleum Corp.. 
 
R. E. Hibbert Oil Properties.... - 
 
Shell Oil Co 
 
Sinclair Oil & Gas Co 
 
Stuarco Oil Co., Inc 
 
 
 
Texaco Inc                
Crude oil and gas wells. 
  
 
  
- - - do 
 
 
 
- - - do Crude oil wells 
Pyrites: 
 Climax Molybdenum Co 1270 Avenue of the Americas 
  New York, N.Y. 10020 
Custer, Fremont  
Natural gas processing plant, Wilson Creek field. 
 
Natural gas processing plant, Adena field. 
 
 
 
 
Mine near Nederland and mine near Fairplay. 
 
 
 
 
Mine at Rosita, expanding plant at Florence. 
 
Crushing, grinding, and screening plant. 
Crushing, grinding, and screening plant. 
Crushing, grinding, and screening plant. 
Costilla 
 
Eagle 
 
Routt 
Rare-earths, monazite: 
 Climax Molybdenum Co do do do 
See footnote at end of table.Union Oil Company of California (Northern Division)

Union Texas Petroleum Corp_ - 
 
 
Peat: 
McCoy & Jensen 
 
Perlite: 
Persolite Products, Inc______ 
 
Pumice: 
 
Colorado Aggregate Co., Inc.. Dotsero Block Co__________ McCoy Aggregate
Co 
Gulf Bldg. 
Pittsburgh, Pa. 15219 
Box 548 
Marietta, Ohio 45750 
Box 591 
Tulsa, Okla. 74101 
1142 Houston Club Bldg. 
Houston, Tex. 77002 
50 West 50th Street 
New York, N.Y. 10020 
Box 521 
Tulsa, Okia. 74102 
2117 First National Bank Bldg. 
Denver, Cob. 80202 
1570 Grant Street 
Denver, Cob 80203 
 
1700 Broadway 
Denver, Cob. 80210 
Box 2120 
Houston, Tex. 76101 
 
 
9800 Morrison Road 
Morrison, Cob. 80465 
 
1440 W. 13th Avenue 
Denver, Cob. 80204 
 
Mesita, Cob 81142__________ 
 
Box 390 
Glenwood Springs, Cob. 81601 
Steamboat Springs, Cob. 80477_ 
Crude oil and gas Northwest Graylin 
 wells.  Lewis Creek, 
  West Peetz 
  Yenter. 
- - do Battleship, Little 
  East Beaver 
  Marble Wash, 
  Nugget. 
Crude oil wells Bison_________ 
Crude oil and gas Big Beaver, Black 
 wells.  Jack, Cache. 
Crude oil wells Cody, Monte, 
  Noria. 
 Divide, Mount 
  Hope. 
 Cliff, West 
  Padroni. 
 Bonanza, Boots 
  Hill, Cody, 
  Ranger, 
  Wellington. 
 Danforth Hills, 
  Maudlin Gulch, 
  Wilson Creek. 
 Adena 
 Blade, Lindon, 
 Ranger, Ring, 
 Rush Willadel. 
 
Two strip mines~ - Boulder, Park Open pit mine and 
 
plant. 
 
- -- do 
 
- - ..do 
 
- - - do 
 
See Molybdenum. Lake 
Molybdenum, monazite, 
tungsten, tin. 
Molybdenum, pyrites, 
tungsten, tin. 
81 
 
 
 
81 
 
 
 
 
 
 
 
 
 
 
0 
 
O 
0 
 
0 
 
 
 
0