| Big Bend RanchCascade, MTNear Great FallsMSHA 2402294 | Construction Sand and GravelSurface | AbandonedStatus date: 08/08/2002 | Thompson Excavating, Inc.Reported operatorGeorge R ThompsonReported controller | Neither history importedView source coverage → |
| Big Chance PlacerLincoln, MTMSHA 2401601 | Gold OreSurface | AbandonedStatus date: 09/23/1981 | R & R Prospectors IncReported operatorJohnsrud Ralph A & Ronald ToomerReported controller | Neither history importedView source coverage → |
| BIG CRUSHRavalli, MTMSHA 2402162 | Construction Sand and GravelSurface | AbandonedStatus date: 01/15/2002 | Big Crush Gravel & Equipment LlcReported operatorFoster ChandlerReported controller | Safety recordsView source coverage → |
| Big Horn County CrusherBig Horn, MTMSHA 2401554 | Construction Sand and GravelSurface | AbandonedStatus date: 08/18/1982 | Big Horn CountyReported operatorBig Horn County-MtReported controller | Neither history importedView source coverage → |
| Bigler MineMeagher, MTNear White Sulpher SpringsMSHA 2402071 | Gold OreUnderground | AbandonedStatus date: 08/26/2020 | Bigler Mining Co LLCReported operatorCraig A Perkins; Richard K Geordge; Robert RussellReported controller | Production / employmentSafety recordsView source coverage → |
| Big RockMissoula, MTNear MissoulaMSHA 2402252 | Construction Sand and GravelSurface | AbandonedStatus date: 04/01/2005 | Rainglow ServicesReported operatorScott CooneyReported controller | Production / employmentSafety recordsView source coverage → |
| Big SkyRosebud, MTNear ColstripMSHA 2400108 | Coal (Bituminous)Surface | AbandonedStatus date: 01/30/2008 | Big Sky Coal CompanyReported operatorPeabody Energy CorporationReported controller | Production / employmentSafety recordsView source coverage → |
| Big Sky BuffSanders, MTNear Saint RegisMSHA 2402417 | Dimension Stone NECSurface | AbandonedStatus date: 06/26/2006 | Montana Rock & FabReported operatorJames A DeckerReported controller | Production / employmentSafety recordsView source coverage → |
| Big Sky PlacerPowell, MTMSHA 2401715 | Gold OreSurface | AbandonedStatus date: 07/19/1984 | Big Sky GeoresourcesReported operatorPurnell G & A TakemotoReported controller | Neither history importedView source coverage → |
| Big Sky QuarrySanders, MTNear PlainsMSHA 2402316 | Dimension BasaltSurface | AbandonedStatus date: 03/16/2003 | American Stoneworks, LLCReported operatorCRAIG R BORIS; PATRICIA M BORISReported controller | Production / employmentView source coverage → |
| BIG SKY ROCK SUPPLY, INCSanders, MTNear Camas PrarieMSHA 2402230 | Dimension Stone NECSurface | AbandonedStatus date: 07/28/2003 | Big Sky Rock Supply IncReported operatorEd Josephson; Lisa JosephsonReported controller | Production / employmentView source coverage → |
| Bill Baltrusch Construction IncHill, MTNear HavreMSHA 2402114 | Construction Sand and GravelSurface | AbandonedStatus date: 09/23/2003 | Bill Baltrusch Construction IncReported operatorBetty Jean BaltruschReported controller | Production / employmentSafety recordsView source coverage → |
| Billings PitYellowstone, MTMSHA 2400781 | Construction Sand and GravelSurface | AbandonedStatus date: 01/08/1988 | Midland O'Leary IncReported operatorDean StuderReported controller | Neither history importedView source coverage → |
| BILL'S PORTABLE CRUSHERFergus, MTMSHA 2401815 | Construction Sand and GravelSurface | AbandonedStatus date: 09/11/2001 | Bill Dengel ConstructionReported operatorWilliam J DengelReported controller | Production / employmentSafety recordsView source coverage → |
| Bi-MetallicJefferson, MTMSHA 2401664 | Silver OreUnderground | AbandonedStatus date: 05/18/1982 | Bi-Mettalic CorpReported operatorMonforton RemiReported controller | Neither history importedView source coverage → |
| Bi-Metallic MineGranite, MTMSHA 2400543 | Silver OreUnderground | AbandonedStatus date: 03/21/1985 | Contact Mining Company IncReported operatorTimothy AntonioliReported controller | Neither history importedView source coverage → |
| Bins MineMadison, MTMSHA 2401906 | Gold OreUnderground | AbandonedStatus date: 09/09/1991 | H & H Gold IncReported operatorHolker Robert LReported controller | Neither history importedView source coverage → |
| Bishop CrusherPhillips, MTNear MaltaMSHA 2402603 | Construction Sand and GravelSurface | AbandonedStatus date: 06/30/2017 | Bishop, Inc.Reported operatorShayne E BishopReported controller | Production / employmentView source coverage → |
| BitterrootFlathead, MTNear KalispellMSHA 2402261 | Dimension Stone NECSurface | AbandonedStatus date: 06/18/2003 | Interstate Rock Products Inc.Reported operatorJerry CatesReported controller | Production / employmentSafety recordsView source coverage → |
| BitterrootFlathead, MTNear KalispellMSHA 2402354 | Dimension Stone NECSurface | AbandonedStatus date: 10/21/2009 | Glacier Stone Supply LLCReported operatorDavid WilkinsReported controller | Production / employmentSafety recordsView source coverage → |
| Bitterroot RockRavalli, MTNear DarbyMSHA 2402155 | Construction Sand and GravelSurface | AbandonedStatus date: 06/16/2004 | Bitterroot Rock ProductsReported operatorKip Mc ClendonReported controller | Production / employmentSafety recordsView source coverage → |
| Bitterroot Rock PitRavalli, MTNear DarbyMSHA 2402411 | Construction Sand and GravelSurface | AbandonedStatus date: 06/30/2005 | Bitterroot Ready Mix & ConcreteReported operatorRodney B Clarke; Brian L ClarkeReported controller | Safety recordsView source coverage → |
| Black Bull MineFergus, MTMSHA 2400283 | Gold OreUnderground | AbandonedStatus date: 11/14/1980 | New Black Bull Joint VentureReported operatorNew Black Bull Joint VentureReported controller | Neither history importedView source coverage → |
| Black Butte CopperMeagher, MTNear White Sulphur SpringsMSHA 2402737 | Copper Ore NECSurface | AbandonedStatus date: 10/29/2019 | Operator not reportedReported operatorController not reportedReported controller | Neither history importedView source coverage → |
| BLACK BUTTE IRON MINEMeagher, MTNear White Sulpher SpringsMSHA 2401476 | Iron OreSurface | AbandonedStatus date: 09/23/2003 | Hallett Minerals CompanyReported operatorHallett Construction CompanyReported controller | Production / employmentSafety recordsView source coverage → |
| Black Diamond Graphite MineBroadwater, MTMSHA 2401411 | Lead-Zinc OreSurface | AbandonedStatus date: 08/07/1989 | United Minerals CompanyReported operatorGraphite Sales IncReported controller | Neither history importedView source coverage → |
| Black Diamond Mica MineMissoula, MTMSHA 2401426 | MicaSurface | AbandonedStatus date: 11/03/1980 | Muscovite Mining & Milling CoReported operatorMuscovite Mining & Milling CoReported controller | Neither history importedView source coverage → |
| Black FridayBroadwater, MTNear RaderburgMSHA 2402636 | Gold OreSurface | AbandonedStatus date: 12/06/2012 | Silver Summit Narrow Vein Mining GroupReported operatorTy L Balbach; VJ MageeReported controller | Neither history importedView source coverage → |
| Black Hat QuarryWheatland, MTNear HarlowtonMSHA 2402431 | Construction Sand and GravelSurface | AbandonedStatus date: 07/28/2022 | Rod Cranford Inc.Reported operatorRod A CranfordReported controller | Production / employmentSafety recordsView source coverage → |
| Black Hawk AditLewis And Clark, MTMSHA 2401832 | Gold OreUnderground | AbandonedStatus date: 08/31/1987 | Treasure State Development IncReported operatorTreasure State Development IncReported controller | Neither history importedView source coverage → |