| HRM Mobile Processing PlantToole, MTNear ShelbyMSHA 2402112 | Construction Sand and GravelSurface | AbandonedStatus date: 02/11/2022 | Hi Line Redi-Mix LLCReported operatorJeffrey S StoresReported controller | Production / employmentSafety recordsView source coverage → |
| HSG Portable Screen Plant #2Lewis And Clark, MTNear HelenaMSHA 2400785 | Construction Sand and GravelSurface | AbandonedStatus date: 04/23/2024 | Montana Mtls & ConsReported operatorCRH PLCReported controller | Production / employmentSafety recordsView source coverage → |
| HUDAK PITCarbon, MTNear RobertsMSHA 2402068 | Construction Sand and GravelSurface | AbandonedStatus date: 08/22/2003 | Hudak Excavation IncReported operatorVincent P Hudak; Kevin J HudakReported controller | Production / employmentSafety recordsView source coverage → |
| Hufford Portable CrusherFallon, MTNear BakerMSHA 2402124 | Construction Sand and GravelSurface | AbandonedStatus date: 07/07/2016 | Hufford Construction IncReported operatorChris HuffordReported controller | Production / employmentSafety recordsView source coverage → |
| Hufford Portable Crusher Imp1Fallon, MTNear Baker MTMSHA 2402599 | Construction Sand and GravelSurface | AbandonedStatus date: 09/08/2014 | Hufford Construction Inc.Reported operatorChris HuffordReported controller | Production / employmentSafety recordsView source coverage → |
| Huges CreekRavalli, MTMSHA 2401703 | Gold OreSurface | AbandonedStatus date: 07/12/1984 | Alpine Energy IncReported operatorTwibey George EReported controller | Neither history importedView source coverage → |
| Hughesville Joint VentureMeagher, MTMSHA 2401726 | Gold OreUnderground | AbandonedStatus date: 11/26/1984 | Hecla Mining CompanyReported operatorHecla Mining CompanyReported controller | Neither history importedView source coverage → |
| HumdingerLewis And Clark, MTMSHA 2401799 | Gold OreSurface | AbandonedStatus date: 07/07/1986 | Leaco Mining IncReported operatorClayton BillReported controller | Neither history importedView source coverage → |
| HUSET CONSTRUCTIONMissoula, MTNear MissoulaMSHA 2402084 | Dimension Stone NECSurface | AbandonedStatus date: 08/22/2003 | Huset ConstructionReported operatorGary HusetReported controller | Production / employmentSafety recordsView source coverage → |
| Hutterites Cascade Colony QuarryCascade, MTMSHA 2401976 | Dimension TraprockSurface | AbandonedStatus date: 04/05/1993 | L A Construction IncReported operatorArthur Larry; Larry ArthurReported controller | Neither history importedView source coverage → |
| Huttinga Gravel PitGallatin, MTNear Gallatin GatewayMSHA 2402314 | Construction Sand and GravelSurface | AbandonedStatus date: 08/05/2013 | Huttinga Contracting, Inc.Reported operatorRichard HuttingaReported controller | Production / employmentSafety recordsView source coverage → |
| Hwy 28 MineSanders, MTNear PlainsMSHA 2402290 | Dimension Stone NECSurface | AbandonedStatus date: 06/26/2002 | Dicken StoneReported operatorBeau DickenReported controller | Neither history importedView source coverage → |
| IBEXLincoln, MTNear TroyMSHA 2402690 | Dimension Stone NECSurface | AbandonedStatus date: 12/10/2019 | Overman's Western StoneReported operatorPaul OvermanReported controller | Production / employmentSafety recordsView source coverage → |
| Iron CrossBroadwater, MTMSHA 2400179 | Iron OreSurface | AbandonedStatus date: 08/09/1979 | R & Iron CoReported operatorR & Iron CoReported controller | Neither history importedView source coverage → |
| Iron Mask MineBroadwater, MTMSHA 2401529 | Silver OreUnderground | AbandonedStatus date: 07/29/1982 | Westgate Mining & Construction IncReported operatorMowlem John PlcReported controller | Neither history importedView source coverage → |
| Island LakeFlathead, MTNear MarionMSHA 2402549 | Dimension Stone NECSurface | AbandonedStatus date: 07/25/2012 | Pleasant Valley RockReported operatorAllyn W WilliamsReported controller | Safety recordsView source coverage → |
| Itha DLewis And Clark, MTMSHA 2401676 | Gold OreSurface | AbandonedStatus date: 12/29/1982 | Jefferson Mining & CompanyReported operatorJefferson Mining & CompanyReported controller | Neither history importedView source coverage → |
| James W Young CrushingGranite, MTNear PhilipsburgMSHA 2401750 | Construction Sand and GravelSurface | AbandonedStatus date: 01/01/2009 | James W Young CrushingReported operatorJames W YoungReported controller | Production / employmentSafety recordsView source coverage → |
| Janney Portable CrusherJefferson, MTMSHA 2401448 | GypsumSurface | AbandonedStatus date: 01/18/1982 | Janney Construction Company IncReported operatorJanney EdReported controller | Neither history importedView source coverage → |
| January MineBroadwater, MTMSHA 2401559 | Gold OreSurface | AbandonedStatus date: 07/29/1982 | January Mining Company IncReported operatorJanuary Mining Company IncReported controller | Neither history importedView source coverage → |
| Jaw Cone CrusherHill, MTNear HavreMSHA 2402397 | Construction Sand and GravelSurface | AbandonedStatus date: 01/01/2009 | Otto Contruction IncReported operatorJerry Otto; Debbie OttoReported controller | Production / employmentSafety recordsView source coverage → |
| Jay GouldLewis And Clark, MTMSHA 2401606 | Gold OreUnderground | AbandonedStatus date: 03/17/1988 | Uranerz U S A IncReported operatorUranerzbergbau GmbhReported controller | Neither history importedView source coverage → |
| JAY GOULDLewis And Clark, MTMSHA 2402119 | Gold OreUnderground | AbandonedStatus date: 10/22/1997 | Fayram Engineering Company LtdReported operatorFayram B DaleReported controller | Neither history importedView source coverage → |
| J.B.C.Sanders, MTMSHA 2402097 | Construction Sand and GravelSurface | AbandonedStatus date: 12/23/1997 | Jim BrownReported operatorJim BrownReported controller | Neither history importedView source coverage → |
| JCI K200Madison, MTNear ButteMSHA 2402460 | Construction Sand and GravelSurface | AbandonedStatus date: 04/19/2007 | Smith Contracting, IncReported operatorDavid A SmithReported controller | Production / employmentSafety recordsView source coverage → |
| J.D.K. Construction MinePowell, MTNear Deer LodgeMSHA 2402439 | Construction Sand and GravelSurface | AbandonedStatus date: 05/30/2006 | J.D.K. ConstructionReported operatorJames G Archer; Denise ArcherReported controller | Production / employmentView source coverage → |
| J.D.L. CONSTRUCTION SAND & GRAVEMadison, MTNear SheridanMSHA 2402203 | Construction Sand and GravelSurface | AbandonedStatus date: 09/23/2003 | J D L Construction CompanyReported operatorDavid Maddison; Ron PackReported controller | Production / employmentSafety recordsView source coverage → |
| Jeff Davis PlacerBeaverhead, MTMSHA 2401872 | Gold OreSurface | AbandonedStatus date: 10/31/1988 | Searle Brothers Construction CompanyReported operatorNellie SearleReported controller | Neither history importedView source coverage → |
| Jefferson CityFlathead, MTNear Jefferson CityMSHA 2402671 | Construction Sand and GravelSurface | AbandonedStatus date: 11/18/2014 | Operator not reportedReported operatorController not reportedReported controller | Neither history importedView source coverage → |
| Jefferson Creek PlacerPowell, MTMSHA 2401582 | Gold OreSurface | AbandonedStatus date: 09/03/1981 | Interstate Mining IncReported operatorInterstate Mining IncReported controller | Neither history importedView source coverage → |