' Excludes brines and materials from wells.2Crushed and broken and dimension
stone were not available in 1984 because of biennial canvassing.MINING AND
QUARRYING TRENDS 
31 
 
Table 8.—Twenty-five leading metal and industrial rninerall mines
in
the United States 
in 1984, in order of output of crude ore 
Mine 
State Operator 
Commodity 
 
 
METALS 
 
 
Morenci           
Minntac           
Sierrita           
Arizona Phelps DodgeCorp      Minnesota United States Steel Corp --Arizona
DuvalSierritaCorp      
Copper 
Iron ore 
Copper~ 
Openpit. 
 Do. 
Do. 
Empire            
UtahCopper        
Hibbing Taconite - - - - 
San ManueL        
 
Tilden            
Tyrone            
Erie Commercial     
Michigan Empire Iron Mining     Utah Kennecott           Minnesota Pickands
Mather & Co - - -Arizona MagmaCopperCo       
Michigan TildenMiningCo       NewMexico__ PhelpsDodgeCorp      Minnesota
Pickands Mather & Co — — - 
Iron ore 
Copper_~.. 
Iron ore - - — Copper 
 
Ironore 
Copper~_ 
Iron ore - — — 
 Do. 
 Do. 
Do. 
Cavingand open pit. 
Openpit~ Do. 
Do. 
Chino            
RayPit           
Thunderbird        
PintoValley        
RoundMountains~... 
PeterMitchell       
NationalPellet Project-Itasca. 
Green Cove         
Eisenhower         
Minorca           
Inspiration         
 
National Pellet 
Project-St.Louis. 
New Mexico~~ ChinoMinesCo        Arizona Kennecott                  Minnesota
Oglebay Norton CoArizona PintoValleyCopperCorp~Nevada CopperRangeCo     
 Minnesota ReserveMiningCo      ~.do TheHannaMiningCo 
Florida Associated Minerals Corp -Arizona ASARCO IncorporatedMinnesota Inland
Steel MinmgCoArizona Inspiration Consolidated  Copper Co.Minnesota The Hanna
Mining Co - - - - 
Copper 
do 
Iron ore — — — Copper~~ 
Lodegold -— Ironore 
 do 
 
Titanium - — Copper 
Iron ore 
Copper — — — — Iron ore - - - 
Do. 
Do. 
Do. 
Do. 
Do. 
Do. 
Do, 
 
Dredgir1g. 
Open pit Do. 
Do, 
 
Do. 
ButlerTaconite             
do do                     
do 
Do. 
Henderson         
 
NewCornelia...       
Colorado Climax Molybdenum Co., 
  a division of AMAX Inc.Arizona PhelpeDodge Corp       
Molybdenum 
 
Copper 
Caving and open pit. 
Open pit 
 
INDUSTRIAL MINERALS2 
 
 
Noralyn - 
 
Kingsford                Ft.Green                 
Florida International Minerals & 
  Chemical Corp. do   do                     
 do WilliamsCo                  
Phosphate rock. 
 do 
 do 
Open pit. 
 
 Do~ 
 Do. 
Hookers                  
do W.R.Grace&Co               
do~ 
Do. 
Ft. Meade                 
Lee Creek          
Haynsworth        
ClearSpring               
 
Lonesome                 
Suwanee                 
BigFour                 
 do Mobil Oil Corp                
North Carolina~ Texasgulf Inc                Florida American CyanamidCo

 do InternationalMinerals& 
   Chemical Corp. do American CyanamidCo 
 do Occidental Petroleum Corp 
 do AMAXPhosphatelnc.,a   division of AMAX Inc. 
do 
do 
 do 
~~do .~ 
 
 do  do 
~~do 
Do. 
Do. 
Do. 
Do. 
 
Do. 
Do. 
Do. 
WingateCreek              
Swift Creek                
International        
 
PayneCreek        
do BekerlndustriesCorp            
 do Occidental Petroleum Corp 
New Mexico - -  International Minerals &  Chemical Corp.Florida AgricoChemicalCo
     
do 
 do 
 Potassium 
salts. 
Phosphate rock. 
 Do. 
 Do. 
Stopes. 
 
Openpit. 
Hardee                 Irwindale          
 
Radunt.                   
 do C. F.MiningCorp               
California Koppers Co., Blue Diamond 
 Materials, 
do KoppersCo.,KaiserSand  and Gravel. 
 do ~, Sand and gravel. 
.~.,do 
Do. 
Dredging. 
 
 Do, 
AMAX            
NewMexico,~, AMAXChemicalCorp., a division of AMAX Inc. 
Potassium salts. 
Stopes. 
St. Lucie          SaddleCreek               
Florida General Development Corp 
 do AgricoChemicalCo      
Sand and gravel. 
 
Phosphate rock. 
Dredging. 
 
Openpit. 
Hobbs            
NewMexico~.~ NewMexicoPotashCorp -- 
Potassium salts. 
Do. 
Retsof             
Rockland           
NewYork IntemationalSaltCoFlorida USSAgri-Chemicals      
Salt       
Phosphate rock. 
Stopes. 
Openpit. 
Perkins           
California TeichertAggregates      
Sandand gravel. 
Dredging.