Metal
295 mines not abandoned, MSHA industry group “Metal”.
| Place | Mine | Mine ID | Industry group | Status since |
|---|---|---|---|---|
| Saline County, AR | Alabama Mine McGeorge Contracting Co., Inc. | 0301926 | Metal | Oct 7, 2025 |
| Park County, CO | Alma Placer High Mountain Mining Company LLC | 0504987 | Metal | Jul 12, 2023 |
| Yukon-koyukuk County, AK | Anvil Creek Mine Anvil Creek LLC | 5001974 | Metal | Oct 1, 2024 |
| Eureka County, NV | Archimedes Underground Mine Ruby Hill Mining Company, LLC. | 2602912 | Metal | Oct 1, 2025 |
| Saline County, AR | Arkansas Operations Mill Almatis Inc | 0300257 | Metal | Sep 17, 1973 |
| Eureka County, NV | Arturo Nevada Gold Mines LLC | 2602767 | Metal | Oct 1, 2015 |
| Baker County, OR | Auburn Creek Mine Wilks Ranch Texas, Ltd. | 3503921 | Metal | Aug 17, 2026 |
| White Pine County, NV | Bald Mountain Mine KG Mining (Bald Mountain) Inc. | 2601842 | Metal | Jul 19, 1984 |
| White Pine County, NV | Bald Mountain Mine South Operation Area KG Mining (Bald Mountain) Inc. | 2602823 | Metal | Oct 4, 2019 |
| Gilpin County, CO | Bates-Hunter Mine BH Mining Company, LLC | 0504166 | Metal | Jun 20, 2023 |
| San Bernardino County, CA | Baxter Mine CalPortland, Co. | 0403569 | Metal | Mar 6, 2024 |
| Baker County, OR | Bayhorse Bayhorse Silver Inc | 3502630 | Metal | May 1, 2025 |
| Payette County, ID | Bayhorse Mill Bayhorse Silver Inc | 1002324 | Metal | Feb 4, 2025 |
| Inyo County, CA | Beck Mine U.S. Iron, LLC. | 0405815 | Metal | Feb 1, 2018 |
| Custer County, SD | Beecher / Longview Iris Metals Inc. | 3901687 | Metal | Apr 29, 2025 |
| Placer County, CA | Big Seam mine Eagle's Nest Mining LLC | 0404468 | Metal | Jan 18, 2023 |
| Salt Lake County, UT | Bingham Canyon Mine Kennecott Utah Copper LLC | 4200149 | Metal | Jun 6, 1986 |
| Meagher County, MT | Black Butte Mine GCC Trident LLC | 2402423 | Metal | May 3, 2024 |
| Fairbanks North Star County, AK | Blue dog North Fork Mining and Exploration | 5002114 | Metal | Feb 19, 2025 |
| Mariposa County, CA | Blue Moon Underground Mine Small Mine Development | 0405990 | Metal | Nov 25, 2025 |
| Mineral County, NV | Borealis Mine Borealis Mining Company, LLC | 2601655 | Metal | Oct 1, 2013 |
| Lake County, CO | Box Creek Placer Titan Au, Inc. | 0505123 | Metal | Apr 14, 2020 |
| Iron County, MO | Brushy Creek Mine/Mill Doe Run Company | 2300499 | Metal | Apr 1, 1989 |
| Iron County, MO | Buick Mine/Mill Doe Run Company | 2300457 | Metal | Jan 23, 1987 |
| Mineral County, CO | Bulldog Mine Rio Grande Silver, Inc. | 0500413 | Metal | May 15, 2025 |
| Shoshone County, ID | BUNKER HILL MINE Silver Valley Metals Corp. | 1000083 | Metal | Dec 3, 2025 |
| Gila County, AZ | Carlota Copper Company | 0202653 | Metal | Aug 7, 2012 |
| San Bernardino County, CA | Castle Mountain Mine Castle Mountain Venture | 0404918 | Metal | Jul 15, 2021 |
| Pennington County, SD | CF & I PIT Pete Lien & Sons Inc | 3900925 | Metal | Dec 7, 2018 |
| Gila County, AZ | Champion Mine Silver Bullet Arizona Inc | 0203525 | Metal | Dec 4, 2025 |
| Yukon-koyukuk County, AK | Chapman Creek GWSN Ventures LLC | 5001980 | Metal | Oct 1, 2024 |
| Grant County, NM | Chino Mine Southern Minerals Group | 2902562 | Metal | Feb 11, 2025 |
| Grant County, NM | Chino Mines Co Mine Freeport-McMoRan Chino Mines Company | 2900708 | Metal | Jan 20, 2011 |
| Lake County, CO | Climax Mine Climax Molybdenum Company | 0502256 | Metal | Nov 15, 2012 |
| Baker County, OR | Climax Mine Oregon Excavating and Underground LLC | 3503951 | Metal | Aug 17, 2026 |
| Lawrence County, SD | Coeur Wharf Wharf Resources (USA) Inc | 3901282 | Metal | Dec 30, 2014 |
| San Bernardino County, CA | Colosseum Rare Metals Inc. | 0404559 | Metal | Jun 1, 2026 |
| Esmeralda County, NV | Columbia Gold Mines Ltd | 2602743 | Metal | Apr 12, 2022 |
| Iron County, UT | Comstock / Mountain Lion Utah Iron, LLC | 4201927 | Metal | Apr 9, 2025 |
| Sussex County, VA | Concord Mine & Concentrator Atlantic Strategic Minerals | 4407222 | Metal | Aug 19, 2025 |
| Boulder County, CO | Consolidated Caribou District Grand Island Resources, LLC | 0502730 | Metal | Dec 12, 2022 |
| Granite County, MT | Contact Concentrator Contact Mining Company | 2401648 | Metal | Oct 23, 2025 |
| Silver Bow County, MT | Continental Mine Montana Resources, LLC | 2400338 | Metal | May 24, 2004 |
| Cochise County, AZ | Copper Queen Branch Freeport McMoRan Corporation | 0201656 | Metal | Mar 12, 2026 |
| Pima County, AZ | Copper World LLC Copper World | 0203256 | Metal | Feb 2, 2023 |
| La Paz County, AZ | Copperstone Mine Bonanza Explorations, Inc. | 0203000 | Metal | Dec 21, 2016 |
| Salt Lake County, UT | Copperton Concentrator Rio Tinto Kennecott Copper | 4201996 | Metal | Jul 5, 1988 |
| Lander County, NV | Cortez District Nevada Gold Mines LLC | 2600827 | Metal | Sep 27, 1988 |
| Eureka County, NV | Cortez District-Underground Nevada Gold Mines LLC | 2602573 | Metal | Dec 9, 2008 |
| Mineral County, NV | County Line Mine County Line Minerals Corp. | 2602915 | Metal | Oct 1, 2025 |
| Lander County, NV | Cove Underground Project AU-REKA GOLD LLC | 2602051 | Metal | Jul 22, 2025 |
| Jefferson County, TN | Coy Mine Crucible ETN LLC | 4000166 | Metal | Jan 19, 2007 |
| Shoshone County, ID | Crescent Mine Crescent Silver L.L.C. | 1000085 | Metal | Dec 15, 2025 |
| Teller County, CO | Cripple Creek and Victor Gold Mining Com Cripple Creek & Victor Gold Mining Company, LLC | 0503695 | Metal | Nov 12, 1991 |
| Boulder County, CO | Cross Mine Grand Island Resources, LLC | 0502430 | Metal | Dec 12, 2022 |
| Pinal County, AZ | Cyprus Tohono Corporation Cyprus Tohono Corp | 0202579 | Metal | Oct 1, 2011 |
| Baker County, OR | Dark canyon Crc construction llc | 3503945 | Metal | Aug 17, 2026 |
| Coconino County, AZ | Darling Mine Oldcastle-Superlite | 0200181 | Metal | Jul 4, 1976 |
| Prince Of Wales-hyder County, AK | Dawson Mine Sundance Mining Group LLC | 5002045 | Metal | Oct 1, 2017 |
| Owyhee County, ID | Delamar Mine Delamar Mining Company | 1000402 | Metal | Jun 10, 2026 |
| Nome County, AK | Dry Gulch LLC | 5001759 | Metal | Jan 9, 2003 |
| Bibb County, AL | DUDLEY RED #1 Alabama Pigments Co LLC | 0103025 | Metal | Jun 24, 1998 |
| Marquette County, MI | Eagle Mine Eagle Mine LLC | 2003454 | Metal | Dec 8, 2011 |
| Sweet Grass County, MT | EAST BOULDER MINE Stillwater Mining Company | 2401879 | Metal | Mar 2, 1998 |
| Eureka County, NV | El Nino Nevada Gold Mines LLC | 2602830 | Metal | Jul 1, 2018 |
| Johnson County, NE | Elk Creek Mine Elk Creek Resources Corp. | 2501332 | Metal | Feb 5, 2026 |
| Elko County, NV | Emigrant Nevada Gold Mines LLC | 2602697 | Metal | Dec 21, 2012 |
| St Lawrence County, NY | Empire State Mines Empire State Mines LLC | 3001185 | Metal | Jan 30, 2018 |
| San Juan County, UT | Energy Queen EFR Colorado Plateau LLC | 4201568 | Metal | Jul 7, 2026 |
| Elko County, NV | Enfield Bell Mine Jerritt Canyon Gold LLC | 2601620 | Metal | Jun 1, 2026 |
| Fairbanks North Star County, AK | Ester Airport Equipment Rentals Inc | 5001556 | Metal | Jun 6, 2019 |
| Baker County, OR | Eureka Mine Swan Mining Operations, LLC | 3503848 | Metal | Aug 17, 2016 |
| Eureka County, NV | Exodus Nevada Gold Mines LLC | 2602661 | Metal | Feb 5, 2010 |
| Fairbanks North Star County, AK | Fairbanks Excavation Mine Fairbanks Excavation, LLC | 5001986 | Metal | Apr 1, 2015 |
| Reynolds County, MO | Fletcher Mine and Mill Doe Run Company | 2300409 | Metal | Dec 16, 1987 |
| Pershing County, NV | Florida Canyon Mine Florida Canyon Mining Inc. | 2601947 | Metal | Feb 3, 1986 |
| Fairbanks North Star County, AK | Fort Knox Mine Fairbanks Gold Mining Inc | 5001616 | Metal | May 2, 1995 |
| Fairbanks North Star County, AK | Fox Mine Polar Mining Inc | 5001557 | Metal | Aug 13, 2001 |
| Pima County, AZ | Fraguita Mill Site GoodMark Capital Group Inc. | 0203445 | Metal | Feb 2, 2023 |
| Gila County, AZ | Freeport McMoRan Miami Inc | 0200112 | Metal | Mar 9, 2010 |
| Yavapai County, AZ | Freeport-McMoRan Bagdad Inc | 0200137 | Metal | Aug 16, 1988 |
| Greenlee County, AZ | Freeport-McMoRan Morenci Inc. | 0200024 | Metal | Dec 3, 1971 |
| Graham County, AZ | Freeport-McMoRan Safford Inc | 0203131 | Metal | Feb 1, 2008 |
| Pima County, AZ | Freeport-McMoRan Sierrita Ops. | 0200144 | Metal | Apr 1, 1986 |
| Idaho County, ID | FRIDAY MINE Elk Range Minerals, LLC | 1002265 | Metal | Feb 3, 2022 |
| Hancock County, WV | FX Minerals Processing, Inc. | 4609571 | Metal | Oct 1, 2019 |
| Shoshone County, ID | Galena U.S. Silver-Idaho, Inc. | 1000082 | Metal | Apr 25, 1995 |
| Yukon-koyukuk County, AK | Ganes Creek Pioneer Mining Company | 5002108 | Metal | Oct 1, 2024 |
| Eureka County, NV | Genesis Nevada Gold Mines LLC | 2600062 | Metal | Feb 20, 1990 |
| Nome County, AK | Glacier Creek Mine Northwest Gold Diggers | 5001801 | Metal | Jul 7, 2016 |
| Yavapai County, AZ | Gladiator Mine Gladiator Gold Mines Corp | 0203532 | Metal | Jul 2, 2026 |
| Gila County, AZ | Globe Mill Silver Bullet Holdings | 0203490 | Metal | Dec 20, 2023 |
| Eureka County, NV | Gold Bar McEwen Mining Nevada, Inc | 2602818 | Metal | Apr 22, 2019 |
| Gunnison County, CO | Gold Links CRG Mining LLC | 0504011 | Metal | Dec 4, 2022 |
| Mohave County, AZ | Gold Road Mine Gold Road Mining Corp | 0202620 | Metal | Oct 13, 2025 |
| Shoshone County, ID | Golden Chest Mine Idaho Strategic Resources Inc | 1000414 | Metal | Jan 9, 2018 |
| Ada County, ID | Golden Eagle Greyhound Mine & Milling, Inc. | 1002155 | Metal | Apr 25, 2023 |
| Jefferson County, MT | Golden Sunlight Mines Inc | 2401417 | Metal | Sep 9, 2024 |
| Southeast Fairbanks County, AK | Golden Vista Mine and Exploration LLC Golden Vista Mining and Exploration LLC | 5002086 | Metal | Jul 15, 2026 |
| Esmeralda County, NV | Goldfield Gemfield Resources LLC | 2602897 | Metal | Jul 2, 2026 |
| Eureka County, NV | Goldrush Nevada Gold Mines LLC | 2602822 | Metal | Dec 6, 2017 |
| Fairbanks North Star County, AK | Goldstream Big Sky Exploration LLC | 5002079 | Metal | Apr 3, 2021 |
| Eureka County, NV | Goldstrike Mine Nevada Gold Mines LLC | 2601089 | Metal | Apr 1, 1991 |
| Nye County, NV | GoldWedge GoldWedge, LLC | 2602542 | Metal | May 30, 2023 |
| St James County, LA | Gramercy Operation Atalco Gramercy LLC | 1600352 | Metal | Jul 19, 1983 |
| Humboldt County, NV | Granite Creek Mine Osgood Mining Company, LLC | 2601597 | Metal | May 1, 2014 |
| Cochise County, AZ | Gunnison & Johnson Camp Mines Gunnison Copper | 0202824 | Metal | Feb 4, 2025 |
| Lancaster County, SC | Haile Gold Mine Haile Gold Mine Inc | 3800600 | Metal | Nov 29, 2011 |
| Gila County, AZ | Hayden Concentrator Asarco LLC | 0200826 | Metal | Aug 10, 2022 |
| Juneau County, AK | Hecla Greens Creek Mine Hecla Greens Creek Mining Company | 5001267 | Metal | Dec 6, 1995 |
| Park County, CO | Hector Placer Mine IGWT Mining, Inc. | 0504989 | Metal | Jul 28, 2025 |
| Clear Creek County, CO | HENDERSON OPERATIONS Climax Molybdenum Company | 0500790 | Metal | Feb 15, 1973 |
| Yavapai County, AZ | Henrietta Mine Henrietta Mine, LLC | 0203423 | Metal | Oct 24, 2025 |
| Santa Cruz County, AZ | Hermosa Mine South32 Hermosa Inc. | 0203398 | Metal | Jan 27, 2021 |
| St Louis County, MN | Hibbing Taconite Company | 2101600 | Metal | Nov 22, 1978 |
| Baker County, OR | High Bar K&E Excavating Inc | 3503699 | Metal | May 28, 2026 |
| Orange County, NC | Hillsborough Mine Resco Products Inc | 3100233 | Metal | Aug 29, 1977 |
| Elko County, NV | Hollister Mine Klondex Hollister Mine Inc. | 2602535 | Metal | May 18, 2023 |
| Marquette County, MI | Humboldt Mill Eagle Mine LLC | 2000420 | Metal | May 11, 2012 |
| Humboldt County, NV | Hycroft Mine Hycroft Resources & Development, LLC | 2601962 | Metal | Dec 2, 2008 |
| Lemhi County, ID | Idaho Cobalt Operation Jervois Mining USA Limited | 1002221 | Metal | Apr 5, 2021 |
| Lemhi County, ID | Ima Mine American Tungsten Ltd | 1000224 | Metal | Aug 22, 2025 |
| Knox County, TN | Immel Mine Crucible ETN LLC | 4000170 | Metal | Oct 29, 2007 |
| San Bernardino County, CA | Iron Age Mine Iron Age Mine LLC | 0405988 | Metal | Aug 6, 2025 |
| Mineral County, NV | Isabella Pearl Mine Walker Lane Minerals Corp | 2602812 | Metal | Oct 31, 2019 |
| Elko County, NV | Jerritt Canyon Mill Jerritt Canyon Gold LLC | 2601621 | Metal | Nov 29, 2024 |
| Fairbanks North Star County, AK | JS-4 Hat Creek Mining LLC | 5001240 | Metal | Oct 1, 2020 |
| Ferry County, WA | K-2 Mine Site Echo Bay Exploration Inc. | 4503336 | Metal | Feb 22, 2017 |
| St Louis County, MN | Keetac United States Steel Corp-Minnesota Ore Operations | 2103352 | Metal | Jan 22, 2010 |
| Salt Lake County, UT | Kennecott Keystone Underground Kennecott Utah Copper LLC | 4201392 | Metal | Aug 6, 2012 |
| Juneau County, AK | Kensington Coeur Alaska Inc | 5001544 | Metal | Oct 10, 2010 |
| Nye County, NV | Keystone Mine CoreTer LLC | 2602927 | Metal | Jul 16, 2026 |
| Montrose County, CO | Kichelmann 1 Asteroid Explorations LLC | 0505108 | Metal | Jul 10, 2026 |
| Tooele County, UT | Kiewit Mine Desert Hawk Gold Corp | 4202560 | Metal | Nov 4, 2020 |
| Nome County, AK | Kougarok Dredge Pit N B Tweet & Sons LLC | 5000482 | Metal | Jan 11, 2011 |
| San Juan County, UT | La Sal Complex EFR Colorado Plateau LLC | 4200769 | Metal | Sep 23, 2026 |
| Allegheny County, PA | Leetsdale PA Almatis Inc | 3610222 | Metal | Dec 8, 2017 |
| Eureka County, NV | Leeville Nevada Gold Mines LLC | 2602512 | Metal | Jan 2, 2003 |
| Amador County, CA | LINCOLN MINE PROJECT Seduli Sutter Operations Corporation | 0405038 | Metal | Aug 22, 2025 |
| San Juan County, UT | Lisbon Valley Mining Co Mariana Copper One | 4202406 | Metal | Jan 20, 2021 |
| Fairbanks North Star County, AK | Little Eldorado Big Sky Exploration LLC | 5001613 | Metal | Oct 1, 2024 |
| Yukon-koyukuk County, AK | Little Squaw Creek Goldrich Mining Company | 5001402 | Metal | Jul 4, 2026 |
| Kanawha County, WV | London Magnetite Performance Industries Inc | 4609347 | Metal | Aug 4, 2025 |
| Humboldt County, NV | Lone Tree Mine Goldcorp DEE LLC | 2602159 | Metal | Dec 7, 2011 |
| Elko County, NV | Long Canyon Nevada Gold Mines LLC | 2602778 | Metal | Nov 29, 2024 |
| Southeast Fairbanks County, AK | Lost Chicken Mine BS Gold Ventures Ltd | 5000313 | Metal | Apr 1, 2016 |
| Idaho County, ID | Lucky Ben Mine Western Frontier Exploration & Mining Contractors | 1002295 | Metal | Jul 28, 2026 |
| Shoshone County, ID | Lucky Friday Hecla Limited | 1000088 | Metal | Mar 1, 2013 |
| Matanuska-susitna County, AK | Lucky Shot Mine Contango Lucky Shot Alaska, LLC | 5001458 | Metal | Apr 22, 2022 |
| Gunnison County, CO | Lucky Strike Mine & Mill MW Sorter LLC | 0503845 | Metal | Dec 14, 2024 |
| Madison County, MO | Madison Mine US Strategic Metals | 2301770 | Metal | May 20, 2025 |
| Nome County, AK | Mammoth Valley Mining LLC Mammoth Valley Mining, LLC | 5002020 | Metal | Jul 8, 2014 |
| Southeast Fairbanks County, AK | Manh Choh Peak Gold LLC | 5002102 | Metal | Oct 1, 2023 |
| Nye County, NV | Manhattan Gulch Manhattan Gulch, LLC | 2602658 | Metal | Sep 12, 2024 |
| Humboldt County, NV | MARIGOLD MINE Marigold Mining Co | 2602081 | Metal | Mar 9, 1990 |
| Millard County, UT | Materion Natural Resources | 4200706 | Metal | Dec 7, 1983 |
| Idaho County, ID | McKinley Mine MCKINLEY MINE INC | 1001918 | Metal | Aug 28, 2026 |
| Eureka County, NV | Meikle Mine Nevada Gold Mines LLC | 2602246 | Metal | Jan 25, 2002 |
| Itasca County, MN | Mesabi Metallics Company LLC | 2103751 | Metal | Jan 21, 2025 |
| Imperial County, CA | Mesquite Western Mesquite Mines, Inc. | 0404614 | Metal | Dec 1, 1986 |
| Marion County, TX | MGB Mott Top Rocks LLC | 4105591 | Metal | Feb 12, 2026 |
| Smith County, TN | Middle Tennessee Mine Crucible MTN, LLC | 4000864 | Metal | Oct 13, 2009 |
| Josephine County, OR | Mill Summitt Mining LLC | 3503935 | Metal | Jul 1, 2026 |
| Eureka County, NV | Mill 6 Nevada Gold Mines LLC | 2602678 | Metal | Oct 16, 2013 |
| Eureka County, NV | Mill/Autoclave Operations Nevada Gold Mines LLC | 2602674 | Metal | Oct 2, 2012 |
| Mohave County, AZ | Mineral Park Origin Mining Company, LLC. | 0200843 | Metal | May 30, 2023 |
| Esmeralda County, NV | Mineral Ridge Mine Mineral Ridge Gold, LLC | 2602302 | Metal | Jun 10, 2012 |
| Sussex County, VA | Mineral Separation Plant Atlantic Strategic Minerals | 4407221 | Metal | Aug 19, 2025 |
| St Louis County, MN | Minntac Mine United States Steel Corp-Minnesota Ore Operations | 2100282 | Metal | Oct 1, 1987 |
| St Louis County, MN | Minntac Plant United States Steel Corp-Minnesota Ore Operations | 2100820 | Metal | Oct 1, 1987 |
| St Louis County, MN | Minorca Mine Cleveland-Cliffs Minorca Mine Inc. | 2102449 | Metal | Jun 11, 1992 |
| Pima County, AZ | MISSION/SAN XAVIER/EISENHOWER ASARCO LLC, a Delaware Limited Liability Company | 0200135 | Metal | Nov 3, 2016 |
| Montrose County, CO | Mobile HPSA Remediation Equipment DISA Technologies, Inc. | 0505213 | Metal | Sep 22, 2026 |
| Sanders County, MT | Montana Stibnite Hill Mine United States Antimony Corp | 2400176 | Metal | Jul 15, 2026 |
| Lincoln County, MT | Montanore Project Montanore Minerals Corp | 2402450 | Metal | Mar 11, 2016 |
| Mohave County, AZ | Moss Mine Golden Vertex Corp | 0202367 | Metal | Nov 16, 2017 |
| San Bernardino County, CA | Mt Pass Mine & Mill MP Mine Operations, LLC. | 0402542 | Metal | Dec 13, 2017 |
| Shoshone County, ID | New Jersey Mill Idaho Strategic Resources, Inc. | 1001913 | Metal | Oct 29, 2019 |
| Yukon-koyukuk County, AK | Nolan Valley Slisco Inc | 5001959 | Metal | Oct 1, 2024 |
| St Louis County, MN | Northmet NewRange Copper Nickel, LLC | 2103658 | Metal | Feb 29, 2012 |
| St Louis County, MN | Northshore Mining Company | 2100209 | Metal | Sep 1, 1989 |
| Lake County, MN | Northshore Mining Company | 2100831 | Metal | Sep 1, 1989 |
| Bethel County, AK | NYAC Mining Co | 5001035 | Metal | Jul 17, 1986 |
| Beaver County, UT | OK and Hidden Treasure Milford Mining Company Utah, LLC | 4202431 | Metal | Aug 8, 2022 |
| Yukon-koyukuk County, AK | Ophir Creek Village Gold Mining Corporation | 5002085 | Metal | Oct 1, 2024 |
| Idaho County, ID | Orogrande Processing Facility Elk Range Minerals, LLC | 1002303 | Metal | May 3, 2022 |
| Owyhee County, ID | Owyhee Noble Mill Owyhee Noble Metals LLC | 1002202 | Metal | Aug 17, 2026 |
| White Pine County, NV | Pan Mine GRP Pan LLC | 2602755 | Metal | Oct 1, 2014 |
| Kenai Peninsula County, AK | Peck #1 PBE | 5002118 | Metal | Feb 14, 2026 |
| Fairbanks North Star County, AK | Pedro Creek Mine Alaska Goldmine LLC | 5002099 | Metal | Aug 24, 2022 |
| Pend Oreille County, WA | Pend Oreille Mine Teck Washington Incorporated | 4500366 | Metal | Apr 16, 2026 |
| Blair County, PA | PENN MAG INC. PLANT #2 Penn Mag, Inc. | 3607535 | Metal | Dec 1, 1998 |
| Armstrong County, PA | PENN MAG, INC. PLANT #1 PENN MAG, INC. | 3607767 | Metal | Dec 10, 1985 |
| Eureka County, NV | Pete Bajo Nevada Gold Mines LLC | 2602689 | Metal | Aug 17, 2011 |
| Lander County, NV | Phoenix Mine Nevada Gold Mines LLC | 2600550 | Metal | Dec 15, 2003 |
| Gila County, AZ | Pinto Valley Mine Pinto Valley Mining Corp. | 0201049 | Metal | Feb 2, 2026 |
| Coconino County, AZ | PINYON PLAIN MINE EFR ARIZONA STRIP LLC. | 0203305 | Metal | Jun 18, 2026 |
| Southeast Fairbanks County, AK | Pogo Mine Northern Star (Pogo) LLC | 5001642 | Metal | Jan 17, 2006 |
| Yukon-koyukuk County, AK | Porcupine Creek Mine Ruby Mining Corporation | 5001992 | Metal | May 28, 2021 |
| Haines County, AK | Porcupine Mine RGD Mining Company Inc | 5002115 | Metal | Oct 1, 2025 |
| La Paz County, AZ | Portable Crusher No. 1 Rango Inc. | 0203387 | Metal | Oct 24, 2025 |
| Pinal County, AZ | Portable Crusher No. 2 Rango Inc. | 0203496 | Metal | Aug 3, 2026 |
| Elko County, NV | Prunty Mine HUMBOLDT MINING COMPANY | 2601261 | Metal | Oct 3, 2025 |
| Lyon County, NV | Pumpkin Hollow East Underground Southwest Critical Materials LLC | 2602711 | Metal | Jul 18, 2022 |
| Posey County, IN | Quality Magnetite LLC | 1202459 | Metal | Jul 15, 2015 |
| Wayne County, WV | Quality Magnetite LLC | 4607318 | Metal | Jul 1, 1987 |
| Gila County, AZ | RAY MINE Asarco LLC | 0200150 | Metal | Jul 20, 1988 |
| Northwest Arctic County, AK | Red Dog Operations Teck Alaska Inc | 5001545 | Metal | Mar 16, 1988 |
| Nevada County, CA | Red Ledge Mine Red Ledge Mining Company LLC | 0405349 | Metal | Jun 30, 2026 |
| Madison County, MT | Red Pine Mine Red Pine LLC | 2400701 | Metal | Jan 19, 2026 |
| Pershing County, NV | Relief Canyon Mine Gold Acquisition Corp. | 2602657 | Metal | Oct 22, 2019 |
| Pinal County, AZ | Resolution Mine Resolution Copper Mining LLC | 0200152 | Metal | Dec 13, 2016 |
| Ouray County, CO | Revenue Mine Thorin Resources | 0503528 | Metal | Apr 8, 2022 |
| Madison County, MT | Revenue Mine Bear Claw Mining Services | 2402809 | Metal | Dec 9, 2024 |
| Southeast Fairbanks County, AK | Richardson Claims Opportunity Placer | 5002088 | Metal | Jul 15, 2026 |
| Eureka County, NV | Roaster Operations Nevada Gold Mines LLC | 2602673 | Metal | Apr 30, 2009 |
| White Pine County, NV | Robinson Operation Robinson Nevada Mining Company | 2601916 | Metal | Aug 22, 2004 |
| Pershing County, NV | Rochester Mine Coeur Rochester, Inc. | 2601941 | Metal | Oct 21, 1985 |
| Fremont County, WY | Rock Creek Placer World Earth Minerals, Inc. | 4801888 | Metal | Mar 5, 2026 |
| Pershing County, NV | ROSEBUD Small Mine Development | 2602241 | Metal | Jul 13, 2026 |
| San Diego County, CA | ROSEMARY'S MOUNTAIN QUARRY HORIZON HILL MATERIALS, LLC | 0405683 | Metal | Jan 20, 2025 |
| Haralson County, GA | Royal Vindicator Mine Chester Holdings USA, Inc. | 0901257 | Metal | Nov 16, 2020 |
| Eureka County, NV | Ruby Hill Mine Ruby Hill Mining Company, LLC | 2602307 | Metal | Jun 18, 2005 |
| Nevada County, CA | RUBY MINE Ruby Gold, Inc. | 0403108 | Metal | Sep 8, 2025 |
| Yukon-koyukuk County, AK | Ruby Mine Tintina Gold Co llc | 5001583 | Metal | Oct 1, 2024 |
| Warren County, NY | RUBY MOUNTAIN Barton Mines Co LLC | 3002268 | Metal | Aug 1, 1983 |
| Saline County, AR | Section 27 SEMCOA | 0301979 | Metal | Nov 12, 2024 |
| Fairbanks North Star County, AK | Serendipity Mines Serendipity Mines LLC | 5002015 | Metal | Oct 1, 2025 |
| Presidio County, TX | Shafter Mine JBM Project, LLC | 4102905 | Metal | Jul 1, 2026 |
| Pima County, AZ | SILVER BELL MINING LLC ASARCO LLC, a Delaware Limited Liability Company | 0200134 | Metal | Feb 24, 2026 |
| Silver Bow County, MT | Silver Bow Mine SBM Montana LLC | 2402827 | Metal | Jul 17, 2026 |
| San Bernardino County, CA | Silver Lake Mine James Gang Enterprises INC. | 0405281 | Metal | Apr 10, 1996 |
| Sierra County, CA | Sixteen To One Mine Quartzview Corporation | 0401299 | Metal | May 29, 2023 |
| Nye County, NV | Smoky Valley Common Operation-UG Round Mountain Gold Corporation | 2602584 | Metal | Feb 20, 2023 |
| Nye County, NV | Smoky Valley Common Operations Round Mountain Gold Corporation | 2600594 | Metal | Sep 22, 1975 |
| Kern County, CA | Soledad Mountain Project Golden Queen Mining Company | 0405319 | Metal | Jan 4, 2016 |
| Eureka County, NV | South Area Nevada Gold Mines LLC | 2600500 | Metal | Feb 13, 1990 |
| Elko County, NV | South Railroad Mine Gold Standard Ventures (US), Inc. | 2602925 | Metal | Sep 16, 2026 |
| Marquette County, MI | SP-13 A. Lindberg & Sons, Inc. | 2003314 | Metal | Oct 15, 2016 |
| St Louis County, MN | Spread Three (3) Hoover Construction Company | 2103649 | Metal | Jul 31, 2025 |
| Pershing County, NV | Spring Valley Solidus Resources LLC | 2602916 | Metal | Oct 15, 2025 |
| Lyon County, NV | Spring Valley Mine Geo Nevada Inc | 2602470 | Metal | Dec 16, 2015 |
| Pershing County, NV | Springer Mine Blue Moon Springer Inc. | 2600964 | Metal | Jun 24, 2026 |
| Elko County, NV | SSX Mine Jerritt Canyon Gold LLC | 2602299 | Metal | Apr 15, 2026 |
| Nye County, NV | Sterling Mine AngloGold Ashanti Sterling Inc. | 2601503 | Metal | Jun 4, 2025 |
| Stillwater County, MT | STILLWATER MINE Stillwater Mining Company | 2401490 | Metal | May 15, 1987 |
| Grant County, NM | Summit Mine Site HD Mining LLC | 2902356 | Metal | Jul 14, 2026 |
| San Miguel County, CO | Sunday Mine Pinon Ridge Mining LLC | 0501197 | Metal | Feb 28, 2026 |
| Platte County, WY | Sunrise New Sunrise, LLC | 4801764 | Metal | Feb 25, 2025 |
| Shoshone County, ID | Sunshine Mine Silver Opportunity Partners LLC | 1000089 | Metal | Dec 1, 2015 |
| Nome County, AK | Swanberg Arctic Placer Drilling & Mining LLC | 5002081 | Metal | Apr 22, 2021 |
| Reynolds County, MO | Sweetwater Mine/Mill Doe Run Company | 2300458 | Metal | Apr 4, 1988 |
| Yukon-koyukuk County, AK | Switch Mine Ozzma Mining LLC | 5000546 | Metal | Jun 1, 2026 |
| Yukon-koyukuk County, AK | Taiga Mining Company - Hog River Taiga Mining Company, Inc. | 5001603 | Metal | Oct 18, 1990 |
| Alexander County, IL | Tamms Plant Covia Specialty Minerals, Inc. | 1102051 | Metal | Jun 27, 1973 |
| Humboldt County, NV | Thacker Pass Lithium Nevada Corp. | 2602762 | Metal | Jul 17, 2026 |
| Clay County, FL | The Chemours Company FC LLC | 0800225 | Metal | Dec 31, 1975 |
| Custer County, ID | Thompson Creek Mine Thompson Creek Mining Company | 1000531 | Metal | Sep 29, 2023 |
| Marquette County, MI | Tilden Mine Tilden Mining Company, LC. | 2000422 | Metal | Nov 22, 1978 |
| Garfield County, UT | Tony M CUR Henry Mountains Uranium LLC | 4202426 | Metal | May 27, 2026 |
| Yukon-koyukuk County, AK | Toy mine Golden Boyz LLC. | 5002106 | Metal | Oct 1, 2023 |
| Nome County, AK | Tripple Creek Mine Metallogeny, Inc. | 5002046 | Metal | Jul 21, 2025 |
| Utah County, UT | Trixie Tintic Consolidated Metals LLC | 4200147 | Metal | Jul 19, 2021 |
| Lincoln County, MT | Troy Mine Troy Mine Inc. | 2401467 | Metal | May 4, 2026 |
| Humboldt County, NV | Turquoise Ridge Nevada Gold Mines LLC | 2602286 | Metal | Mar 7, 2002 |
| Humboldt County, NV | Twin Creeks Mine Nevada Gold Mines LLC | 2601942 | Metal | May 5, 1986 |
| Humboldt County, NV | Twin Underground Nevada Gold Mines LLC | 2602693 | Metal | Nov 26, 2024 |
| Grant County, NM | TYRONE MINE Freeport-McMoRan Tyrone Inc | 2900159 | Metal | May 3, 2016 |
| Saline County, AR | U.S. Vanadium - Benton, LLC US Vanadium - Benton, LLC | 0300261 | Metal | Oct 15, 2021 |
| St Louis County, MN | United - Mine United Taconite LLC | 2103403 | Metal | Dec 18, 2003 |
| St Louis County, MN | United Plant United Taconite LLC | 2103404 | Metal | Feb 1, 2004 |
| Broadwater County, MT | US Antimony Critical Minerals Mill US Antimony Corp. | 2401650 | Metal | Aug 3, 2026 |
| Garland County, AR | US Vanadium, LLC | 0300479 | Metal | Nov 1, 1971 |
| San Juan County, UT | Velvet Mine Anfield Resources Holding Corp. | 4201527 | Metal | Nov 18, 2025 |
| Harris County, TX | Vibrantz Minerals LLC | 4103681 | Metal | Jul 10, 1991 |
| Washington County, MO | Viburnum #29 Mine Doe Run Company | 2300495 | Metal | Oct 1, 2004 |
| Iron County, MO | Viburnum #35 (Casteel Mine) Doe Run Resources Corporation dba Doe Run Company | 2301800 | Metal | Oct 1, 2013 |
| Elko County, NV | VICTORIA MINE Energy Metal Resources US Inc. | 2601317 | Metal | Oct 1, 2025 |
| Ouray County, CO | VON DOOSE ATLAS MINING AND RECLAMATION, LLC | 0505136 | Metal | Aug 29, 2022 |
| Maricopa County, AZ | Vulture Mine Vulture Peak Holding LLC | 0203344 | Metal | Jul 23, 2025 |
| Josephine County, OR | Walker Summitt Mining LLC | 3503971 | Metal | Nov 20, 2025 |
| Southeast Fairbanks County, AK | Walker Fork Ajax Mining Alaska Inc | 5001301 | Metal | Apr 22, 2016 |
| Southeast Fairbanks County, AK | Walker Fork Mine Mackinaw Gold, LLC | 5001949 | Metal | Oct 1, 2025 |
| Mineral County, NV | Walker Lane Mining LLC (Rawhide) Walker Lane Mining LLC | 2601030 | Metal | Sep 25, 2011 |
| Shasta County, CA | Washington Mine French Gulch (Nevada) Mining Corp | 0403425 | Metal | Apr 4, 2011 |
| Boise County, ID | Washington Mine Silver Bullet Idaho Inc. | 1002369 | Metal | Mar 13, 2025 |
| Mesa County, CO | WHIRLWIND MINE EFR Colorado Plateau LLC | 0504816 | Metal | Mar 9, 2026 |
| Matanuska-susitna County, AK | White Creek Mine Valdez Creek Mining, LLC | 5001994 | Metal | Jul 19, 2013 |
| San Juan County, UT | White Mesa Mill EFR White Mesa LLC | 4201429 | Metal | May 27, 2015 |
| Fairbanks North Star County, AK | Wild Goose Quasar Gold Corp | 5001957 | Metal | Oct 1, 2024 |
| Yukon-koyukuk County, AK | Willow HDK Mining Limited Liability Company | 5002121 | Metal | Jul 5, 2026 |
| Lake County, CO | Willow Creek Mine Mt Elbert Mining Co LLC | 0504855 | Metal | Mar 19, 2025 |
| New Castle County, DE | Wilmington Plant Vibrantz Minerals LLC | 0700100 | Metal | Apr 27, 1984 |
| Jefferson County, TN | Young Mill Crucible ETN LLC | 4001981 | Metal | Dec 18, 2009 |
| Jefferson County, TN | Young Mine Crucible ETN LLC | 4000168 | Metal | Jan 19, 2007 |
Alphabetical order — this site ranks no one. Mines that are not abandoned in the MSHA file of October 2, 2026. Sole proprietors are found by mine ID only. How to read this.