| Keestrack Screen PlantRichland, MTNear CulbertsonMSHA 2402613 | Construction Sand and GravelSurface | AbandonedStatus date: 01/12/2015 | Excel Industries, Inc.Reported operatorRobert A Hagemeister Jr; Lonnie J HagemeisterReported controller | Production / employmentSafety recordsView source coverage → |
| KelleySilver Bow, MTMSHA 2402021 | Lead-Zinc OreFacility | AbandonedStatus date: 12/14/1995 | Kelley Resource Recovery CorpReported operatorRoth StephanReported controller | Neither history importedView source coverage → |
| Kelley ComplexSilver Bow, MTMSHA 2400710 | Copper Ore NECUnderground | AbandonedStatus date: 07/28/1982 | Anaconda Minerals CompanyReported operatorAtlantic Richfield CompanyReported controller | Neither history importedView source coverage → |
| KEM Gravel PitStillwater, MTNear NyeMSHA 2402062 | Construction Sand and GravelSurface | AbandonedStatus date: 03/07/2025 | KEM Ready Mix IncReported operatorKeith E MartinReported controller | Production / employmentSafety recordsView source coverage → |
| Kendall MineFergus, MTMSHA 2401029 | Gold OreUnderground | AbandonedStatus date: 08/17/1977 | Geological Surveys IncReported operatorGeological Surveys IncReported controller | Neither history importedView source coverage → |
| KENDALL MINEFergus, MTMSHA 2401628 | Gold OreSurface | AbandonedStatus date: 02/08/1999 | Cr Kendall CorpReported operatorCanyon Resources CorpReported controller | Production / employmentView source coverage → |
| Kenelty MineLincoln, MTMSHA 2401521 | Barite Barium OreSurface | AbandonedStatus date: 07/19/1985 | Montana Barite CompanyReported operatorNicor Minerals IncReported controller | Neither history importedView source coverage → |
| Keno PlacerBroadwater, MTMSHA 2401777 | Gold OreSurface | AbandonedStatus date: 05/07/1985 | Jetco CompanyReported operatorJetco CompanyReported controller | Neither history importedView source coverage → |
| KenseyGolden Valley, MTNear RyegateMSHA 2402782 | Dimension SandstoneSurface | AbandonedStatus date: 08/06/2026 | Venture StoneReported operatorDon JacobsReported controller | Production / employmentSafety recordsView source coverage → |
| Kent MineBeaverhead, MTMSHA 2401532 | Silver OreUnderground | AbandonedStatus date: 04/30/1986 | Dillon Mining & MillingReported operatorBrown Carl-Fred WeilingReported controller | Neither history importedView source coverage → |
| Kesler PitGranite, MTNear PhillipsburgMSHA 2402456 | Construction Sand and GravelSurface | AbandonedStatus date: 01/01/2007 | Flint Creek Concrete Products IncReported operatorWm Park McLureReported controller | Production / employmentView source coverage → |
| Kingsbury ColonyPondera, MTNear ValierMSHA 2402523 | Construction Sand and GravelSurface | AbandonedStatus date: 10/01/2008 | Kingsbury ColonyReported operatorMike KleinsasserReported controller | Production / employmentSafety recordsView source coverage → |
| K & K Opsahl Pit Area 2 SiteSheridan, MTNear RedstoneMSHA 2402628 | Construction Sand and GravelSurface | AbandonedStatus date: 08/16/2013 | Oilfield Rock & Logistics LLCReported operatorGregory Peck; John SouzaReported controller | Production / employmentView source coverage → |
| KLE 1Yellowstone, MTNear BillingsMSHA 2402780 | Construction Sand and GravelSurface | AbandonedStatus date: 11/01/2022 | Operator not reportedReported operatorController not reportedReported controller | Neither history importedView source coverage → |
| Kleeman Crusher/ScreenLewis And Clark, MTNear East HelenaMSHA 2402502 | Construction Sand and GravelSurface | AbandonedStatus date: 10/01/2009 | TMK Construction, LLCReported operatorPat CalnanReported controller | Production / employmentSafety recordsView source coverage → |
| Klondike Ore #2Lewis And Clark, MTMSHA 2401678 | Gold OreSurface | AbandonedStatus date: 08/25/1983 | Big 3 Oilfield ServiceReported operatorKindt FrancisReported controller | Neither history importedView source coverage → |
| Knolls Pit & PlantDawson, MTNear GlendiveMSHA 2400469 | Construction Sand and GravelSurface | AbandonedStatus date: 01/21/2022 | Knolls Ready MixReported operatorPeter J KnollReported controller | Production / employmentSafety recordsView source coverage → |
| K'n'R Sand & GravelFlathead, MTNear MarionMSHA 2402453 | Construction Sand and GravelSurface | AbandonedStatus date: 01/01/2009 | K'n'R Sand & GravelReported operatorDavid G TurkReported controller | Production / employmentSafety recordsView source coverage → |
| KodiakBeaverhead, MTMSHA 2401825 | Gold OreSurface | AbandonedStatus date: 04/20/1987 | Pioneer Mining CorpReported operatorDon C BurnsReported controller | Neither history importedView source coverage → |
| KODIAK 300Lewis And Clark, MTNear HELENAMSHA 2402772 | Construction Sand and GravelSurface | AbandonedStatus date: 01/27/2022 | Operator not reportedReported operatorController not reportedReported controller | Neither history importedView source coverage → |
| Kodiak ConcreteFergus, MTNear LewistownMSHA 2402337 | Construction Sand and GravelSurface | AbandonedStatus date: 11/14/2013 | Kodiak ConcreteReported operatorJoseph R BridgefordReported controller | Production / employmentSafety recordsView source coverage → |
| Kodiak MillMadison, MTMSHA 2401830 | Gold OreFacility | AbandonedStatus date: 04/20/1987 | Pioneer Mining CorpReported operatorDon C BurnsReported controller | Neither history importedView source coverage → |
| Koebbe Sand & Gravel PlantBig Horn, MTMSHA 2400782 | Construction Sand and GravelSurface | AbandonedStatus date: 08/19/1991 | Koebbe Construction Company IncReported operatorKoebbe Construction Company IncReported controller | Neither history importedView source coverage → |
| Kolberg 271Valley, MTNear GlosgowMSHA 2402048 | Construction Sand and GravelSurface | AbandonedStatus date: 08/18/2003 | Valley County Road DepartmentReported operatorValley County-MtReported controller | Production / employmentSafety recordsView source coverage → |
| Kolberg 710 KDSSilver Bow, MTNear ButteMSHA 2402421 | Construction Sand and GravelSurface | AbandonedStatus date: 10/29/2019 | Smith Contracting Inc.Reported operatorDavid A SmithReported controller | Production / employmentSafety recordsView source coverage → |
| Kolberg Crusher/Wash PlantMadison, MTMSHA 2402017 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 05/04/1995 | Luzenac America, Inc.Reported operatorImerys S AReported controller | Neither history importedView source coverage → |
| Kolberg MillBroadwater, MTMSHA 2401705 | Gold OreFacility | AbandonedStatus date: 09/02/1986 | Arnold J KolbergReported operatorKolberg Arnold JReported controller | Neither history importedView source coverage → |
| KOLBERG PLANT #63-8191Fergus, MTMSHA 2402001 | Construction Sand and GravelSurface | AbandonedStatus date: 01/08/1999 | Montana Department Of TransportationReported operatorState Of MontanaReported controller | Production / employmentView source coverage → |
| KOLMAN SCREEN PLANTFergus, MTMSHA 2402027 | Construction Sand and GravelSurface | AbandonedStatus date: 09/11/2001 | Fergus CountyReported operatorFergus County-MtReported controller | Safety recordsView source coverage → |
| KONITZ PORTABLE CRUSHER #1Fergus, MTNear LewistownMSHA 2400936 | Construction Sand and GravelSurface | AbandonedStatus date: 09/11/2006 | Konitz Contracting IncReported operatorTom KonitzReported controller | Production / employmentSafety recordsView source coverage → |