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Mining Industry Historical Index

R & K Mining & Milling CO
R & S Molybdenum Mines Co NM
R & W Co CO
Rabbit Foot Mining Co ID
Rabun Mining & Development Co GA
Race Track Mining Co KS
Radco Inc AK
Raddatz Corp UT
Radiant Mining Co DE
Radigunde Mines Corp NV
Radio Mining Co ID
Radio Silver Lead Mining Co WA
Radium Mines Co NV
Radium Ores Co CO
Radiumchema Corp CA
Rae (Helen) Mining Co NM
Railway Gold Mining & Milling Co NV
Rainbow Associates Corp MT
Rainbow Bridge Mining Co NV
Rainbow Consolidated Gold Mining Co OR
Rainbow Consolidated Mining Co OR
Rainbow Divide Mining Co NV
Rainbow Electric Mining Co ID
Rainbow End Mining Co ID
Rainbow Exploration & Development Co CA
Rainbow Extension Inc OR
Rainbow Gold Mines Co CO
Rainbow Gold Mines Co NV
Rainbow Gold Mining Co CO
Rainbow Gold Mining Co WA
Rainbow Lode Development Co MT
Rainbow Lode Mines Inc OR
Rainbow Mine OR
Rainbow Mine or Nicks Pride Inc CA
Rainbow Mines Inc AZ
Rainbow Mining & Milling Co CO
Rainbow Mining Co AZ
Rainbow Mining Co CA
Rainbow Mining Co OK
Rainbow Mining Co OR
Rainbow Ridge Mining Co CA
Rainbow's End Placer Mines Synd CA
Rainey Creek Placers AK
Rainier Mines Inc WA
Rajah Mining Co AZ
Raleigh Mining Co UT
Ralf Mining Co Inc CO
Ralston Mining Co NV
Ralston-Central Mining Co NV
Ramage Mining Co OK
Rambler Consolidated Mines Corp WY
Ramona Gold Mining Co CO
Ramona Mining Co CA
Ramona Mining Co ID
Rampart-Minook Gold Dredging Co AK
Ramsay & Sons CO
Ramsay Comstock Trust NV
Ramsdell Mines Co AZ
Ramsey Central Mining Co NV
Ramsey Comstock Consolidated Gold Mines Co Inc NV
Ramsey Comstock Extn Inc NV
Ramsey Comstock Mines Inc NV
Ramsey Gold Mining & Development Co NV
Ramsey Holding & Development Co NV
Ramsey Rutherford Gold Corp AK
Ramsey-Canyon Copper Co AZ
Rancheria Mining & Development Co CA
Ranchito Mine CA
Ranchview Mining Co WA
Rand Co NV
Rand Consolidated Silver Mining Co CA
Rand Contact Mining Co CA
Rand Divide Mining Co CA
Rand Mining Co CA
Rand Mining Co NV
Rand Silver King Inc CA
Randall Mine AK
Randlett Mining Co CO
Randolph Consolidated Mines NV
Randolph Gold Mining Milling & Tunnel Co CO
Randsbnrg Silver Mines Corp CA
Randsbnrg-Aster Gold Mining Co CA
Randsburg Development Co CA
Randsburg Gold Mines Ltd CA
Randsburg Silver Mining Co of Ariz CA
Randsburg Silver Mining Corp CA
Randsbvrg Associated Mines Inc CA
Ranger Mining Co CA
Ranger Mining Co WA
Ranier Development Co AZ
Ranier Mines Corp AZ
Rankin Creek Placer Mines Co ID
Raoul Mines Inc CO
Rapid Creek Mining Co Ltd ID
Rapid Milling & Smelting Co WA
Rapid River Mining & Milling Co Ltd ID
Rara Avis Mines Co CO
Rara Avis Mining Assocn CO
Rare Metals Co AZ
Rare Metals Co SD
Rare Metals Corp CO
Rare Metals Corp WY
Rare Metals Engineer., Mining, & Develop. Co Inc OR
Rare Metals Mining Co CO
Rare Minerals Assoc CA
Rare Mnrls Co SD
Rare-Ores Co NM
Raritan Copper Works NJ
Rarus Mining & Smelting Co UT
Rarus Warrior Mines Co CO
Rasoon Gold Mining Co AK
RASP Mining Co OK
Rathfon Red Works WA
Ra-Tor Mining & Manufacturing Co NM
Ra-Tor Mining & Manufacturing Co NM
Rattler Gold Mining Co CO
Rattlesnake Drift Mine CA
Rattlesnake Jack Mining & Milling Co SD
Rattlesnake Placer Mine CA
Ravalli Gold Mining Co MT
Raven & Beacon Gold Mines Inc CO
Raven Hill Mining & Lsng Asso CO
Raven Mining Co Ltd ID
Ravine (Morris) Mining Co CA
Raw Gold Mining Co NV
Rawley Mines Inc CO
Rawlings (Fanny) Lsng Co CO
Ray Broken Hill Mining Co AZ
Ray Extn Copper Co AZ
Ray Extn Mining Co AZ
Ray Integrity Mining Co AZ
Ray Jefferson Mining Co ID
Ray Mines AZ
Ray Mining Co NM
Ray Pinal Mining Co AZ
Ray Portland Mining Co AZ
Ray Silver Lead Mine AZ
Ray Silver Lead Mining Co AZ
Ray Verde Copper Co AZ
Ray-Arizona Copper Co AZ
Rayida Mines Co CO
Ray-Kelvin Mining Co AZ
Raymond-Illinois Mining Co UT
RB Mining Co ID
RC Gold Mining Co CO
RC Mining Co CA
RC Mining Co CO
Rea Mines Inc CA
Ready Bullion Mining Co CA
Ready Cash Mining & Milling Co CO
Reagan Gold Mining Co AZ
Real de Guadalupe Mining Corp Inc DE
Real del Monte Metals Co NM
Re-Al Mining Co AZ
Realization Mining Co CO
Reba-Lee Mining Co CO
Rebecca Mining & Milling Co CA
Rebecca Mining Co WA
Recalp Co CA
Recalp Dredging Co CA
Reciprocity Mining Co UT
Reclamation Met Mines Co CO
Reco Divide Mining Co NV
Reco Gold Mining Co WA
Record Gold Mining Co NV
Record Gold Mining Co OR
Record Lode Mining Co AZ
Record Mining Co MT
Record Mining Co OR
Recovery Milling Co NV
Recovery Placer Mining Co NV
Red Arrow Extn Mining Co CO
Red Arrow Mines Inc CO
Red Bank Gold Placer Co AZ
Red Banks Mine CA
Red Bell Mining Co UT
Red Bird & Owl Mines OR
Red Bird Mining Co WA
Red Bird Silver Rule Mine UT
Red Boy Mining & Development Co OR
Red Boy Mining & Milling Co OR
Red Cap Quartz & Placer Mining Co CA
Red Chief Mining Co AZ
Red Cliff Mining & Milling Co CO
Red Cloud Lead & Zinc Mining Co Inc DE
Red Cloud Mining & Milling Co AZ
Red Cloud Mining Co CA
Red Cloud Mining Co ID
Red Cloud Mining Co UT
Red Cloud Mining Co WA
Red Cloud Mug Co AZ
Red Crown Gold Mine Inc AZ
Red Dog Mining Co Inc ID
Red Dog-You-Bet Gold Mines Co CA
Red Eagle Gold Mining Co MT
Red Eagle Mining & Milling Co CO
Red Elephant Consolidated Mines Co ID
Red Elephant Mining Co CO
Red Elephant Mountain Mining Corp CO
Red Elephant Quicksilver Mining Co CA
Red Fir Mining Corp ID
Red Fir Mining Corp WA
Red Gap Mines Co AZ
Red Hawk Mine NV
Red Hawk Quicksilver Co CA
Red Hill Mines Inc CA
Red Hill Mining & Milling Co ID
Red Hill Mining Co NV
Red Hills Consolidated Copper Co AZ
Red Horse Mining Co Ltd ID
Red Jacket Gold Mining Co ID
Red Jacket Mining Co OR
Red Lark Mining Co ID
Red Ledge Mining Co CA
Red Ledge Mining Co NV
Red Lion Gold Mining Co AZ
Red Lode Mining Co Inc ID
Red Lodge Mining Co Inc ID
Red Metal Copper Co AZ
Red Metal Mining Co MT
Red Metals Mining Co ID
RED Mining Co AZ
Red Monarch Consolidated Mining Co ID
Red Mountain Consolidated Copper Mines Co Inc AZ
Red Mountain Copper Mining Co AZ
Red Mountain Development Co AZ
Red Mountain Gold & Red Co WA
Red Mountain Gold Mining Co WA
Red Mountain Hydr Mining Co MT
Red Mountain Mines WA
Red Mountain Mines WA
Red Mountain Mines Ltd CA
Red Mountain Mines Synd CA
Red Mountain Mining & Milling Co NV
Red Mountain Mining & Milling Synd CO
Red Mountain Mining Co CA
Red Mountain Mining Co NV
Red Mountain Silver Mines Co CO
Red Park Placer Mining Co CO
Red Peak Mining Co NV
Red Pigg Mining Co CO
Red Raven Gold Mines Inc CO
Red Raven Mining Co CA
Red River Gold Mines Inc DE
Red River Gold Mining & Milling Co OR
Red Rock Consolidated Mining Co NV
Red Rock Mine NV
Red Rock Mining Co AZ
Red Rock Mining Co CA
Red Rock Quicksilver Co NV
Red Rose Gold Mines Co ID
Red Rover Mine Operators Inc AZ
Red Rover Mining Co AZ
Red Shirt Mining Co WA
Red Star Consolidated Mines Inc CA
Red Star Inc CO
Red Star Mining Co ID
Red Stone Gold Mining Co CO
Red Streak Copper Mining Co NV
Red Tinker Copper Co AZ
Red Top Mine Inc CA
Red Top-Mohawk Mining Synd NV
Red Umbrella Mining Co CO
Red Vern Mining Co CO
Red Warrior Mining Co OR
Red Warrior Mining Co UT
Red White & Blue Mine OR
Reddick (OC) Mining Co CO
Redding Creek Placers CA
Redding Creek Placers Ltd CA
Redemption Gold Corp CO
Redemption Gold Mining Corp CO
Redfern Mines Inc DE
Redfield Gold Mining Co CA
Redick Mining Co OC CO
Redman Mines Co CO
Redmond Consolidated Mining Co NV
Redstone Mines Corp NV
Redwood Copper Queen Mining Co CA
Reed (Tom) Apex Mining Co AZ
Reed (Tom) Apex Mining Co AZ
Reed Creek Mining Co AK
Reed Gold Mines Inc NV
Reed Mines Inc NV
Reeds Creek Gold Mines Co ID
Reed's Park Consolidated Mining Co UT
Reeds Peak Consolidated Mining Co UT
Reese Production Corp CA
Regal Goad Mining Co OR
Regal Gold Mining Co NV
Regal Mines Co AK
Regal Mining Co AZ
Regal Mining Co Inc WA
Regal Mining Corp ID
Regal Ponderosa Inc ID
Regan Tungsten Mining Co NV
Regent Mines Inc DE
Regent Mines Inc NM
Regina Mining Co WA
Reid Mining Co CA
Reina Zinc Co AR
Reiner Mining Co CA
Reiniger Freeman Mining Co AZ
Reinmiller Copper Mines Co CA
Reiter-Marbut Lang Co CO
Reliance Consolidated Gold Mines Inc CA
Reliance Consolidated Mines Co CA
Reliance Copper Co AZ
Reliance Gold Mines Co ID
Reliance Gold Mining Co DE
Reliance Gold Mining Co SD
Reliance Ming Co WY
Reliance Mining & Milling Co MT
Reliance Mining & Milling Co Ltd CA
Reliance Mining Co AK
Reliance Mining Co ID
Reliance Mining Co NV
Reliance Mining Co Inc NV
Reliance Placer & Quartz Mining Co CA
Relief Hill Mining Co CA
Relief-Arlington Holding Co DE
Remington Hill Mining Co CA
Remington Hill Placers Inc Ltd CA
Remnants Mining Co OK
Remus Mining Co CA
Renegade Metals Co NV
Renfrew Mining & Development Co MI
Reno Divide Consolidated Mining Co NV
Reno Divide Mining Co NV
Reno Eng & Development Co ID
Reno Gold Mines Ltd NV
Reno Gold Mining & Milling CO
Reno Silver Hills Mining Co NV
Rensper Mining Co NV
Rentchler Mines Co CA
Reorganized Allied Divide Mining Co NV
Reorganized Atlanta Mines Co NV
Reorganized Belcher Divide Mining Co NV
Reorganized Blue Bull Mining Co NV
Reorganized Booth Mining Co NV
Reorganized Booth Mining Co of Goldfield NV
Reorganized Broken Hills Mining Co NV
Reorganized Carrie Silver-Lead Mines Corp CA
Reorganized Cracker Jack Mining Co NV
Reorganized Divide Annex Mining Co NV
Reorganized Divide Junior Mining Co NV
Reorganized Homestake Divide Mining Co NV
Reorganized Kewanas Mining Co NV
Reorganized Pioneer Mines Co NV
Reorganized Rand Mines Co CA
Reorganized Spearhead G. M. Co NV
Reorganized United Mines Co NV, AZ
Reorganized Victory Divide Mining Co NV
Reorganized West Divide Mining Co NV
Reorganized Wilson Mining Co NV
Republic & Dominion Mines Co Inc MT
Republic Consolidated Gold Mining & Mig Co WA
Republic Gold Mines Inc NM
Republic Gold Mining Corp CA
Republic Metal Mines Corp CO
Republic Mines Corp WA
Republic Mining Co CA
Republic Mining Co MT
Republic Mining Co SD
Republic Mining Co UT
Republic Mining Co WA
Republican Mine & Development Co CA
Republican Mines Co CO
Republican Mountain Mines Co CO
Requa Gold & Silver M & M Co CO
Rescue Eula Mining Co NV
Rescue Gold Mines Co ID
Rescue Lead-Silver Mines Co NV
Reservation Gold Dredging Co NY
Reservation Hill Mining & Milling Co NV
Reserve Gold Mining Co NV
Retallac Mining Co ID
Retla Mining Co CO
Retndeer-Queen Mining Co ID
Return Mining Co NV
Revelator Consolidated Mining Co UT
Revenue Consolidated Mining Co ID
Revenue Consolidated Mining Co MT
Revenue Consolidated Mining Co UT
Revenue Copper Co CA
Revenue Development Corp CO
Revenue Mines Co NV
Revenue Mines Inc MT
Revenue Mines Inc NV
Revenue Mining & Milling Co ID
Revenue Tunnel Mines Co CO
Revert Divide Mining Co CA
Revett Mining Co ID
Review Silver Mining Co NV
Revils Mining & Investment Co CO
Revival Mining Co OR
Reward Gold Mining Co CO
Reward Mining Co CA
Rex Consolidated Mining Co ID
Rex Development Co CO
Rex Gold Mining & Milling Co CO
Rex Lsng & Development Co ID
Rex Mines Co NV
Rex Mining & Smelting Co MO
Rex Mining Co CA
Rex Mining Co CO
Rex Mining Co NV
Rex Mining Co OR
Rexall Silver & Copper Mining Co UT
Rey Silver Mines Co CO
Reymert Mine AZ
Reynolds (Jo) Mining & Milling Co Inc CO
Reynolds (Jo) Mining Milling Development Tunnel & Trans Co CO
Reynolds Alaska Development Co AK
Reynolds Mining Co CA
RGH Mining Co CA
RGW Bing CO
RH & G Mining Co KS
Rhinegold Mining Co WA
Rhoads-Hall Mines Co AL
Rhode Island Mining Co ID
Rhodes Creek Mining Co ID
Rhodes Creek Placers ID
Rhodes Placers ID
Rhvolite Consolidated Group NV
Rhvolite Consolidated Mines Co NV
Rhvolite Consolidated Mining Co NV
Rhvolite Gold Mining Co NM
Rhvolite Placers NV
Rhvolite Synd NV
Rialto Mining Co OR
Ric Consolidated Mines Co CO
Ricaro Mines Inc CA
Riccardi-Conda Mines Ltd NV
Rice Mining & Milling Co ID
Rice Mining Co MT
Rich Coe Mining Co NC
Rich Field Mines Inc DE
Rich Gulch Mining Co OR
Rich Hill Assoc Inc AZ
Rich Hill Consolidated Gold Mines Inc AZ
Rich Hill Gold Mining Co AZ
Rich Hill Mining Co AZ
Rich Hill Mining Co CA
Rich Hill Synd AK
Richard Mining Co AZ
Richards Klondike Mining Co CA
Richardson Mining Co OK
Richardson Placers ID
Richelieu Mining Co CA
Richfield Mining Co Inc WA
Richfield Silver-Lead Zinc Co UT
Richland Mines Co NV
Richmond Consolidated Mining Co ID, Yukon
Richmond Consolidated Mining Co MT
Richmond Development Co ID
Richmond Gold Mining Co CO
Richmond Hill Mining Milling & Lsng CO
Richmond Lexington Mining & Milling Co MT
Richmond Mining Co CO
Richmond Mining Co NV
Richmond Mining Co SD
Richstrike Gold Mines Ltd CA
Richter (Win) & Sons CA
Rico Consolidated Mines Co CO
Rico Copper Co AZ
Rico Enterprise Mining Co CO
Rico Gold Placer Co NM
Rico Mining & Red Co CO
Rico Mining Co CO
Rico Wellington Mining Co CO
Rico-Ventura Co CO
Ridge & Valley Mining & Milling Co UT
Ridmore Mining Co WA
Rieper Mining Co WA
Ries Mining Co WA
Rigdon Mining Co WY
Right Good Mining Co OK
Riley (JE) Investment Co AK
Rimini Gold Mining Co MT
Rincon Cooper Co AZ
Rincon Del Diablo Mining Co CA
Rincon Mines Co CA
Rincon Mines Inc AZ
Rio Colorado Mines Corp NM
Rio Del Oro Mine CA
Rio Del Oro Placer CA
Rio Escondido Mines Inc CA
Rio Grande Copper Co NV
Rio Grande Mining & Metals Co AZ, NM
Rio Mayo Gold Mines Inc DE
Rio Tinto Copper Co NV
Rio Vista Mining Co CA
Rip Van Winkle Extn Mining Co NV
Rip Van Winkle Mining Co NV
Ripple Consolidated Mining Co MT
Ripsey Copper Co AZ
Rising Hope Mines Ltd CA
Rising Star Mining Co CA
Rising Sun Mining Co CA
Rising Sun Mining Corp DE
Rising Sun Placer Mines Corp Ltd NV
Rittenhouse Mines Inc CO
Ritter Mining Co MO
Rival Mining Co NM
River Bar Gold Recovery Co NV
River Edge Mining Co Ltd CA
River Mines Co CA
River Mines Inc DE
River Placers Ltd CA
River Range Mining Co AZ
River View Leasing Co CO
Rivera Mining Co CA
Riverdale Corp WA
Riverside Copper & Development Co CA
Riverside Copper Co Ltd CA
Riverside Copper Mining Co ID
Riverside Copper Mining Co Ltd ID
Riverside Gold Mining & Milling Co CA
Riverside Metal Co NJ
Riverside Mineral Co WA
Riverside Mining & Milling Co AK
Riverside Mining Co MO
Riverview Cumberland Mining Corp NV
Riverview Gold Mining & Milling Co NV
Riverview Mines Co AZ
Riverview Mining Co AK
RKW Mining Co MT
Roanoke Mining & Milling Co CO
Roanoke Mining Co CA
Roanoke Mining Co ID
Roanoke Mining Co UT
Roanoke Mining Co Ltd ID
Rob Roy Development Co AZ
Rob Roy Mining Co UT
Robbers Roost Mining Co CA
Robert E Gold Mining Co OR
Roberta Mine & Milling Co NV
Roberta Mining & Milling Co ID
Roberts Buena Vista Mines Consolidated Inc CA
Roberts Coeur D'Alene Mining & Milling Co ID
Roberts Fluorspar Co KY
Roberts Island Dredg Co CA
Robertson Mining Co OR
Robinson Mines Co ID
Robinson Mining & Milling Co ID
Robinson Mining Co OR
Rocco Homestake Mines NV
Rochester Buck & Charley Mines Co NV
Rochester Canyon Mining & Milling Co NV
Rochester Combined Mines Co NV
Rochester Gold Mines Co NV
Rochester Gold Mining Co NV
Rochester Home Trial Mines Co NV
Rochester Lincoln Consolidated Co NV
Rochester Lincoln Hill G & S Mining Co NV
Rochester Octopus Mines Co NV
Rochester Plymouth Mines Co NV
Rochester Raven Mines Co NV
Rochester Silver Corp NV
Rochester Snowstorm Mining Co NV
Rock Castle Mining Co AZ
Rock Eagle Mine CA
Rock Gap Mining Co CA
Rock Island Mining Co MT
Rock O' Ages Gold Mines Inc MT
Rock Rose Mining & Milling Co MT
Rock Springs Mining & Lsng Co CO
Rockford Mining Co ID
Rockland Gold Mining & Milling Co NV
Rockland Mines Co NV
Rockland Mining Co NV
Rocky Bar Mining Co ID
Rocky Boy Mining & Milling Co MT
Rocky Gulch Mining Co OR
Rocky Mountain Copper Co UT
Rocky Mountain Engrg Co CO
Rocky Mountain Gold Mines Inc CO
Rocky Mountain Gold Mining Corp CO
Rocky Mountain Goldfields Mining Co CO
Rocky Mountain Mines Co NM
Rocky Mountain Mining & Milling Corp CO
Rocky Mountain Mining Co CO
Rocky Mountain Placer Mining Co ID
Rocky Mountain Smelting & Refining Co CO
Rocky Point Consolidated Manufacturing Co CA
Rodhams McQuitty Mining Co WI
Rodrian Electra Metallurgical Co NC
Rogers Chemical Co NV
Rogers Lead Co CO
Rogers Mining Co MO
Rogue River Development Corp OR
Rogue River Dredging Inc OR
Rogue River Gold Co OR
Rogue River Synd OR
Rolling Mountain Mining & Milling Co CO
Roman Group Mining Co CA
Romero Mining Co NM
Romig Mining Co OR
Romo Mining Co KS
Romo Mining Co OK
Romona Mines Corp WA
Roney Nev Mines Corp NV
Rooney Gold Mines Co VA
Roosevelt Extension Mines CA
Roosevelt G & S Mining & Milling Co UT
Roosevelt Gold Mines Co The CO
Roosevelt Gold Mining Co CO
Roosevelt Gold Mining Co WA
Roosevelt Lake Copper Co AZ
Roosevelt Mines & Electric Co CO
Roosevelt Mining & Milling Co UT
Rooster Comb Mining Co ID
Rooster Comb Sunnyside Mining Corp ID
Root Zinc Mining Co NV
Roque Mining Co AZ
Rosa Mining Co CO
Rosalie Copper Co AZ
Rosalie Mining & Milling Corp CA
Rose City Ore Co CO
Rose Consolidated Mining Co MT
Rose Gold Mines Inc CA
Rose Gulch Mining Co WA
Rose Mines Inc DE
Rose Mining & Milling Co ID
Rose Nicol Gold Mining Co CO
Rose Quartz Mining Co CA
Roseberry Mining & Milling Co CO
Rosebud Eldorado Gold Synd Inc NV
Rosebud Mining Co MT
Rosebud Placer Mining Co NV
Rosedale Gold Mines Ltd NM
Rosedale Mine NM
Rosemont Development Co AZ
Rosemont Mines Inc AZ
Rosetta Milling & Mining Co ID
Rosetta Mines Co NV
Roseville Gold Dredging Co CA
Rosie Mine NV
Rosita Gold Mining & Milling Co NM
Rosita Mining & Milling Co CO
Ross Placer SD
Rossioni Mining Co AZ
Roth (George F) Co ID
Rouge River Development Co OR
Rough Creek Placer Mining Co CO
Round Lake Mining Co CA
Round Mountain Homestake Mining Co NV
Round Mountain Mines Co NV
Round Top Mug Co ID
Rovada Mining Co NV
Row River Mining Co OR
Rowena Mining Co OR
Roxbury Gold Mines Inc CA
Roxbury Hydr Mines Inc CA
Roy Mining Co OR
Roy Rob Mining Co ID
Royal Arch Mining Co CO
Royal Basin Mining Co ID
Royal Basin Mining Co MT
Royal Basin Mining Co Inc, The ID
Royal Calaveras Mining Co CA
Royal Charter Mining Co CO
Royal Consolidated Copper Co NV, AZ
Royal Copper Mining Co Ltd MT
Royal Development Co CA
Royal Divide Mining Co NV
Royal Drift Mining Co CA
Royal Dutch Metals Corp CO
Royal Flush Mine NV
Royal Gem Mining Co CO
Royal Gold & Silver Mines Inc CO
Royal Mines Corp CA
Royal Mining Co ID
Royal Mining Co MT
Royal Mining Co NV
Royal Montana Mines Co MT
Royal Tiger Mines Co CO
Royal Tiger Mines Co NV
Royal Ute Mining Co UT
Roydon Mining Co NV
Royston Turquoise Mines Co Inc NV
Rozelle Gold Dredging Corp DE
RRB Corp CA
Rubiana Mine AZ
Rubicon Placer Mining Co CA
Rublin Quartz Mining Co CA
Ruby (Doris) Mining Co CO
Ruby Beach Mining Co WA
Ruby Canon Mining Co CO
Ruby Consolidated Development Co CO
Ruby Copper Co CA
Ruby Creek Mining Co ID
Ruby Gold Development Co ID
Ruby Gold Mine CA
Ruby Gold Mining Cc WA
Ruby Gold Mining Co CO
Ruby Hill Gold & Copper Mining Co NV
Ruby Joe Mining Co CO
Ruby King Copper Co CA
Ruby Mines Inc OR
Ruby Mining Co ID
Ruby Mining Co UT
Ruby Mining Co WA
Ruby Mining Co Ltd CA
Ruby Mountain Mining Co WA
Ruby Rand Mines Co CA
Ruby Silver Co AZ
Ruby Silver Mines Corp ID
Ruby Silver Mines Inc MT
Ruby Silver Mining Co NM
Ruckman-Grav Co Inc OR
Rudisil Gold Mines Inc NC
Ruff & Tuff Gold Mining Co AK
Rule Mining Co WI
Running Wolf Development Co MT
Rural Mines Co Inc AZ
Rurnsev Mining Co OK
Rush Creek Placers Inc CA
Russell Ball Copper Co AK
Russell Gold Mining Co CA
Russell Kent Mining Corp CA
Ruth Consolidated Mining & Milling Co ID
Ruth Pierce Mining Co CA
Ruuttilla-Brown Lsng Co CO
Ryan Davis Divide Mining Co NV
Ryan Mines Inc WA
Ryan Mining Co CO
Ryan Mining Corp NM
Rye Patch Agnes Mining & Milling Co NV
Rye Patch Agnes Mining & Milling Co UT
Rye Patch Mines Co NV
Rye Patch Mining & Lsng Co NV