Representative Mines in The United States
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| Name of Mine | Location of Mine | Mine Status | Metal Mined | Owner or Parent Company of Owner |
|---|---|---|---|---|
| Argentum | Esmeralda County, CA | Open | Rare earths | Columbus S.m., Llc |
| Bagdad Copper Mine | Yavapai County, AZ | Open | Copper Ore | Phelps Dodge |
| Bald Mountain Gold Mine | Eureka County, NV | Open | Gold | Placer Dome Us Inc |
| Barney's Canyon Gold Mine | Salt Lake County, UT | Open | Gold | Rio Tinto Limited |
| Basin Creek Mine | Jefferson County, MT | Closed | Gold | Pegasus Gold Corp |
| Beal Mountain Mine | Silver Bow County, MT | Closed | Gold | Pegasus Gold Corp |
| Beartrack Mine | Lemhi County, ID | Closed | Gold | Meridian Gold Inc. |
| Betze-post (goldstrike) Mine | Eureka County, NV | Open | Gold | Barrick Gold Corporation |
| Bingham Canyon Mine | Salt Lake County, UT | Open | Copper Ore | Rio Tinto Limited |
| Black Pine | Cassia County, ID | Closed | Gold | Pegasus Gold Corp |
| Blackbird | Lemhi County, ID | Closed | Cobalt | Noranda |
| Briggs Gold Mine | Inyo County, CA | Open | Gold | Canyon Resources Corporation |
| Bunker Hill Mine | Shoshone County, ID | Closed | Polymetallic | Hecla Mining Company |
| Capstone Bootstrap | Elko County, NV | Closed | Gold | Newmont Mining Corp |
| Castle Mountain Mine | San Bernardino County, CA | Closed | Gold | Viceroy Resource Corporation |
| Chino Copper Mine | Grant County, NM | Suspended | Copper Ore | Phelps Dodge |
| Colado Mine | Pershing County, NV | Open | Metal ores, NEC | Eagle Picher Minerals |
| Continental | Grant County, NM | Suspended | Copper Ore | Phelps Dodge |
| Continental Copper Mine | Silver Bow County, MT | Open | Copper Ore | Montana Resources/asarco |
| Copper Queen Branch Mine | Cochise County, AZ | Closed | Copper Ore | Phelps Dodge |
| Cortez (pediment) Gold Mine | Lander County, NV | Proposed | Gold | Placer Dome Us Inc. |
| Cortez (pipeline) Gold Mine | Lander County, NV | Open | Gold | Placer Dome Us Inc |
| Cripple Creek & Victor Mine | Teller County, CO | Open | Gold | Anglo American |
| Crown Jewel / Buckhorn | Okanogan County, WA | Proposed | Gold | Crown Resources |
| Crownpoint | Mckinley County, NM | Proposed | Uranium | Hydro Resources |
| Daisy Gold | Nye County, NV | Closed | Gold | Glamis Gold, Ltd. |
| Dee Gold | Humboldt County, NV | Closed | Gold | Glamis Gold Ltd. |
| Deep Post | Eureka County, NV | Open | Gold | Newmont Mining Corp |
| Deer Trail Pth | Paiute County, UT | Suspended | Gold | Unico Inc. |
| Delamar Mine | Owyhee County, ID | Suspended | Silver ores | Kinross Gold Corporation |
| Denton Rawhide | Mineral County, NV | Closed | Gold | Rio Tinto Limited |
| Diamond Hill Mining, Inc. | Broadwater County, MT | Suspended | Gold | Apollo Gold Corporation |
| Dredge 21 | Yuba County, CA | Suspended | Gold | Cal-sierra Development, Inc |
| East Boulder Mine | Stillwater County, MT | Open | Platinum group | Mmc Norilsk Nickel Of Russia |
| Equatorial Mineral Park Inc | Mohave County, AZ | Open | Copper Ore | Equatorial Mining Limited |
| Equatorial Tonopah | Nye County, NV | Closed | Copper Ore | Equitorial Mining Limited |
| Florence Mine | Pinal County, AZ | Closed | Copper Ore | Bhp Billiton |
| Florida Canyon Mine | Pershing County, NV | Open | Gold | Florida Canyon Mining |
| Fort Knox Gold Mine | Fairbanks North Star Borough County, AK | Open | Gold | Kinross Gold Corporation |
| Gilt Edge (brohm Mine) | Lawrence County, SD | Closed | Gold | Dakota Mining Company |
| Golden Hand Mine | Custer County, ID | Proposed | Gold | American Independence Mines |
| Golden Phoenix Mineral Ridge | Esmeralda County, NV | Suspended | Gold | Golden Phoenix Minerals, Inc |
| Golden Reward Mine | Lawrence County, SD | Closed | Gold | Wharf Resourced Ltd./dakota Mining Corp |
| Golden Sunlight Gold Mine | Jefferson County, MT | Open | Gold | Placer Dome Us Inc |
| Greens Creek Silver Mine | Juneau Borough County, AK | Open | Silver | Rio Tinto Limited (kennecott) |
| Grouse Creek Mine | Custer County, ID | Closed | Gold | Hecla Mining Company |
| Henderson | Clear Creek County, CO | Open | Molybdenum | Phelps Dodge |
| Homestake Gold Mine | Lawrence County, SD | Closed | Gold | Barrick Gold Corporation |
| Howardville Mill | San Juan County, CO | Open | Metal ores, NEC | Sunnyside Gold |
| Hycroft | Humboldt County, NV | Open | Gold | Hycroft Resources & Dev. Inc. |
| Idaho Cobalt Project | Ravalli County, ID | Proposed | Cobalt, Copper & G | Formation Capital |
| Illinois Creek | Yukon-koyukuk Census Area County, AK | Closed | Gold | Dakota Mining Corp |
| Jamestown | Stanislaus County, CA | Closed | Gold | Sonora Mining Corporation |
| Jerritt Canyon Mine | Elko County, NV | Open | Gold | Queenstake Resources Ltd |
| Johnson Camp Mine | Cochise County, AZ | Suspended | Copper Ore | Nord Copper Corporation |
| K-2 Mine Site | Ferry County, WA | Closed | Gold | Kinross Gold Corporation |
| Kb Mine | Grant County, NM | unknown | Southwest Silica Flux Co Inc. | |
| Ken Snyder Mine | Wallowa County, NV | Open | Gold | Normandy Midas Operations, Inc. |
| Kendall Mine | Fergus County, MT | Closed | Gold and Silver | Canyon Resources Corporation |
| Kensington Mine | Juneau Borough County, AK | Proposed | Gold | Coeur D'alene Mines Corp |
| Kettle River Mill Site | Ferry County, WA | Closed | Gold | Kinross Gold Corporation |
| Kitty Litter | Washoe County, NV | Proposed | Clay | Oil-dri |
| Lone Tree Gold Mine | - | Open | Gold | Newmont Mining Corp |
| Lucky Friday Silver Mine | Shoshone County, ID | Open | Silver ores | Hecla Mining Company |
| Marigold Gold Mine | Humboldt County, NV | Open | Gold | Glamis Gold Ltd |
| Mccoy Cove Gold Mine | Lander County, NV | Open | Silver ores | Kinross Gold Corporation |
| Mclaughlin Gold Mine | Lake County, CA | Closed | Gold | Barrick Gold Corporation |
| Meikle (goldstrike, Purple Vein ) Gold Mine | Eureka County, NV | Open | Gold | Barrick Gold Corporation |
| Mesquite Gold Mine | Imperial County, CA | Open | Gold | Newmont Mining Corp |
| Miami Copper (sx-ew) Mine | Gila County, AZ | Closed | Copper Ore | Phelps Dodge |
| Midas Gold Mine | Elko County, NV | Open | Gold | Newmont Mining |
| Midas Gold Mine | Elko County, NV | Open | Gold | Newmont Mining Corp |
| Midnite Mine | Stevens County, WA | Closed | Uranium | Newmont Mining Corp |
| Mineral Hill | Park County, MT | Closed | Gold | Tvx Gold Inc. |
| Mineral Ridge | Esmeralda County, NV | Open | Gold | Golden Phoenix Minerals, Inc. |
| Mission Complex | Pima County, AZ | Open | Copper Ore | Asarco |
| Montana Tunnels Mine | Jefferson County, MT | Open | Gold | Apollo Gold Corporation |
| Morenci | Greenlee County, AZ | Open | Copper Ore | Phelps Dodge |
| Mt. Pass Mine & Mill | San Bernardino County, CA | Open | Rare earths | Molycorp |
| Mule Canyon | Lander County, NV | Closed | Gold | Newmont Mining Corp |
| Nevada Barth Iron Mine & Mill | Eureka County, NV | Closed | Iron ore | Saga Exploration Corporation |
| Oglebay Norton | Taos County, NM | Open | Mica | Oglebay |
| Pend Oreille Mine | Pend Oreille County, WA | Closed | Lead and/or Zinc Ore | Teck Cominco Limited |
| Phoenix | Pershing County, NV | Proposed | Gold | Newmont Mining Corp |
| Picacho | Imperial County, CA | Closed | Gold | Glamis Gold Ltd. |
| Pinson | Humboldt County, NV | Suspended | Gold | Barrick Gold Corporation |
| Pinto Valley | Gila County, AZ | Closed | Copper Ore | Bhp Billiton |
| Pogo | Southeast Fairbanks Census Are County, AK | Proposed | Gold | Sumitomo/teck Cominco Limited |
| Questa Molybdenum Mine | Taos County, NM | Open | Molybdenum | Molycorp |
| Rain | Elko County, ID | Open | Gold | Newmont Mining Corp |
| Rand Mine | San Bernardino County, CA | Open | Gold | Glamis Gold Ltd |
| Ray Copper Mine | Pinal County, AZ | Open | Copper Ore | Asarco |
| Red Dog Mine | Northwest Arctic Borough County, AK | Open | Lead and Zinc | Teck Cominco Limited |
| Richmond Hill Mine | Lawrence County, SD | Closed | Gold | Barrick Gold Corporation |
| Rochester Mine | Pershing County, NV | Open | Silver ores | Coeur D'alene Mines Corp |
| Round Mountain Gold Mine | Nye County, NV | Open | Gold | Round Mountain Gold Mine |
| Ruby Hill Gold Mine | Eureka County, NV | Closed | Gold | Barrick Gold Corporation |
| Safford | Graham County, AZ | Proposed | Copper | Phelps Dodge |
| San Manuel | Pinal County, AZ | Closed | Copper Ore | Bhp Billiton |
| Sidco Minerals Inc | Cass County, TX | Iron ore | Sidco Minerals Inc. | |
| Sierrita Copper Mine | Pima County, AZ | Open | Copper Ore | Phelps Dodge |
| Silver Bell Copper (sw-ex) | Pima County, AZ | Open | Copper Ore | Asarco |
| Silver Valley (galena) Mine | Shoshone County, ID | Open | Silver ores | Coeur D'alene Mines Corp |
| Silverlake Mine | San Bernardino County, CA | Closed | Iron ore | Hahm International, Inc |
| Sixteen To One Mine | Sierra County, CA | Open | Gold | Original Sixteen To One Mine |
| Smith Ranch - Highland | Converse County, WY | Open | Uranium | Power Resouces Inc. |
| Stibnite Mine | Valley County, ID | Closed | Gold | Dakota Mining Company |
| Stillwater Mine | Stillwater County, MT | Open | Platinum group | Stillwater Mining Company |
| Stone Cabin Mine | Owyhee County, ID | Suspended | Gold and Silver | Kinross Gold Corporation |
| Summitville | Rio Grande County, CO | Closed | Gold | Galactic Resources |
| Surf Mine Sites | Mckinley County, NM | Open | Uranium | Bhp Billiton |
| The Wharf Mine | Lawrence County, SD | Open | Gold | Gold Corp. |
| Thompson Creek Molybdenum Mine | Custer County, ID | Open | Molybdenum | Thompson Creek Mining Company |
| Trenton Canyon | Humboldt County, NV | Open | Gold | Newmont Mining Corp |
| Trixie | Juab County, UT | Open | Gold | Tintic Utah Metals, Llc |
| Troy Mine | Lincoln County, MT | Closed | Copper Ore | Asarco |
| True North | Fairbanks North Star Borough County, AK | Open | Gold | Kinross Gold Corporation |
| Turquoise Ridge (getchell) | Humboldt County, NV | Open | Gold | Placer Dome Us Inc |
| Twin Creeks Gold Mine | Humboldt County, NV | Open | Gold | Newmont Mining Corp |
| Tyrone Copper (sx-ew) Mine | Grant County, NM | Open | Copper Ore | Phelps Dodge |
| Vesuvius | Cameron County, TX | Manganese | Vesuvius Usa | |
| W.r. Grace Mine | Lincoln County, MT | Closed | Vermiculite | W.r. Grace |
| Washington Niagara | Shasta County, CA | Open | Gold | Goddess Gold Ltd |
| Western Crow | Mohave County, AZ | Open | unknown | Western Metallurgical Co |
| Zortman Landusky Mine | Phillips County, MT | Closed | Gold | Pegasus Gold Corp |
Source: EWG analysis.