| Jefferson PortableJefferson, MTMSHA 2401867 | Construction Sand and GravelSurface | AbandonedStatus date: 08/14/1992 | Jefferson CountyReported operatorJefferson CountyReported controller | Neither history importedView source coverage → |
| Jeffery Portable Pugmill #2Silver Bow, MTNear ButteMSHA 2402490 | Construction Sand and GravelSurface | AbandonedStatus date: 05/02/2024 | Jeffery ContractingReported operatorRex Leipheimer; John JefferyReported controller | Production / employmentSafety recordsView source coverage → |
| Jellison PitFlathead, MTNear KalispellMSHA 2402325 | Construction Sand and GravelSurface | AbandonedStatus date: 08/26/2003 | Schellinger Construction Co., Inc.Reported operatorAlbert A SchellingerReported controller | Production / employmentView source coverage → |
| Jensen PitFlathead, MTNear Columbia FallsMSHA 2402725 | Construction Sand and GravelSurface | AbandonedStatus date: 02/05/2019 | Operator not reportedReported operatorController not reportedReported controller | Neither history importedView source coverage → |
| Jim BrownSanders, MTNear PlainsMSHA 2402090 | Dimension Stone NECSurface | AbandonedStatus date: 10/01/2009 | Jim BrownReported operatorJim BrownReported controller | Production / employmentSafety recordsView source coverage → |
| Jim CurtissSanders, MTNear PlainsMSHA 2402251 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 01/01/2009 | Jim CurtissReported operatorJIM CURTISSReported controller | Production / employmentSafety recordsView source coverage → |
| Jim's Ready MixFergus, MTNear LewistownMSHA 2401489 | Construction Sand and GravelSurface | AbandonedStatus date: 07/17/2003 | Jim's Ready MixReported operatorJames R McDonaldReported controller | Production / employmentSafety recordsView source coverage → |
| J & J RockSanders, MTNear PlainsMSHA 2402268 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 08/08/2007 | J & J RockReported operatorJustin RichardsReported controller | Production / employmentSafety recordsView source coverage → |
| Joe DandyBroadwater, MTMSHA 2401605 | Gold OreUnderground | AbandonedStatus date: 11/27/1984 | Western Energy CompanyReported operatorWhite Martin AReported controller | Neither history importedView source coverage → |
| Johnny Be GoodLewis And Clark, MTMSHA 2401871 | Gold OreSurface | AbandonedStatus date: 09/22/1988 | John Fee & Don CarlsonReported operatorJohn Fee & Don CarlsonReported controller | Neither history importedView source coverage → |
| Johnny Gulch MineMadison, MTMSHA 2401753 | TalcSurface | AbandonedStatus date: 09/07/1994 | Montana Talc CompanyReported operatorCostain Group PlcReported controller | Neither history importedView source coverage → |
| Johnson MineGallatin, MTMSHA 2401580 | Lead-Zinc OreSurface | AbandonedStatus date: 07/29/1982 | Alder Gulch Trucking CompanyReported operatorScheitlin Edward EReported controller | Neither history importedView source coverage → |
| Johnson Sand & Gravel PitCascade, MTMSHA 2400480 | Construction Sand and GravelSurface | AbandonedStatus date: 01/15/1986 | United Materials Of Great Falls IncReported operatorPaul M FosterReported controller | Neither history importedView source coverage → |
| Jones QuarryWheatland, MTNear HarloetonMSHA 2402552 | Dimension Stone NECSurface | AbandonedStatus date: 02/08/2012 | D. R. RockReported operatorDavid N StantonReported controller | Production / employmentSafety recordsView source coverage → |
| Joyce No 2Missoula, MTMSHA 2401461 | Barite Barium OreSurface | AbandonedStatus date: 07/24/1981 | James W Frost OperatorReported operatorJames W Frost OperatorReported controller | Neither history importedView source coverage → |
| J & S PORTABLE CRUSHERGallatin, MTMSHA 2402131 | Construction Sand and GravelSurface | AbandonedStatus date: 02/01/1999 | J & S Construction IncReported operatorKrushensky JerryReported controller | Production / employmentView source coverage → |
| Judith Basin Portable CrusherJudith Basin, MTMSHA 2401597 | Construction Sand and GravelSurface | AbandonedStatus date: 08/18/1982 | Judith Basin County Road DepartmentReported operatorJudith Basin County-MTReported controller | Neither history importedView source coverage → |
| Judith Gap PitJudith Basin, MTNear BuffaloMSHA 2402534 | Construction Sand and GravelSurface | AbandonedStatus date: 09/11/2009 | Major Rock SuppliesReported operatorCharles W Major JrReported controller | Safety recordsView source coverage → |
| Judith River QuarryWheatland, MTNear HarlowtonMSHA 2402768 | Dimension Stone NECSurface | AbandonedStatus date: 03/07/2025 | Ironside Stone WorksReported operatorBridget A Korpi; Adam R KorpiReported controller | Production / employmentSafety recordsView source coverage → |
| KALISPELL CRUSHERYellowstone, MTNear KalispellMSHA 2401685 | Construction Sand and GravelSurface | AbandonedStatus date: 03/14/2005 | JTL Group, Inc.Reported operatorKnife River CorporationReported controller | Production / employmentSafety recordsView source coverage → |
| Karl GaustadStillwater, MTNear AbsarokeeMSHA 2402435 | Construction Sand and GravelSurface | AbandonedStatus date: 09/26/2006 | Karl GaustadReported operatorKarl O. GaustadReported controller | Production / employmentSafety recordsView source coverage → |
| Katie LodesJefferson, MTMSHA 2401758 | Gold OreUnderground | AbandonedStatus date: 07/17/1984 | H & F EnterprisesReported operatorHaslip Jim JrReported controller | Neither history importedView source coverage → |
| KAVALLALincoln, MTNear LibbyMSHA 2402217 | Dimension Stone NECSurface | AbandonedStatus date: 06/18/2003 | Interstate Rock Products IncReported operatorJerry CatesReported controller | Production / employmentSafety recordsView source coverage → |
| Kavalla QuarryFlathead, MTNear LibbyMSHA 2402361 | Construction Sand and GravelSurface | AbandonedStatus date: 07/05/2005 | B & M StoneReported operatorBrian M SmithReported controller | Production / employmentView source coverage → |
| KearsageMadison, MTMSHA 2402041 | Gold OreUnderground | AbandonedStatus date: 10/01/1994 | Patrick Harrison Constructors IncReported operatorHarrison Ernest WReported controller | Neither history importedView source coverage → |
| Kearsage MineMadison, MTMSHA 2401611 | Gold OreUnderground | AbandonedStatus date: 08/05/1981 | Patrick Harrison Mining CorpReported operatorHarrison Ernest WReported controller | Neither history importedView source coverage → |
| KearsargeMadison, MTMSHA 2401993 | Gold OreUnderground | AbandonedStatus date: 05/22/1996 | Hanover Gold Company IncReported operatorHanover Gold Company IncReported controller | Neither history importedView source coverage → |
| Keating ProjectBroadwater, MTNear RadersburgMSHA 2401863 | Gold OreSurface | AbandonedStatus date: 04/01/2013 | Northmont Resource & Exploration Co.Reported operatorAntonioli Peter SReported controller | Production / employmentSafety recordsView source coverage → |
| Keeland #1Carbon, MTMSHA 2401944 | Construction Sand and GravelSurface | AbandonedStatus date: 11/10/1992 | Keeland & Son Gravel SupplyReported operatorKeeland & Son Gravel SupplyReported controller | Neither history importedView source coverage → |
| KeestrackSilver Bow, MTNear ButteMSHA 2402544 | Construction Sand and GravelSurface | AbandonedStatus date: 04/02/2010 | Jordan Contracting IncReported operatorJoe JordanReported controller | Production / employmentView source coverage → |