| Frontier Stone LLCFlathead, MTNear KalispellMSHA 2402447 | Construction Sand and GravelSurface | AbandonedStatus date: 07/11/2008 | Frontier Stone LLCReported operatorPatrick KoelzerReported controller | Production / employmentSafety recordsView source coverage → |
| Fryberger ExcavationLake, MTNear CharloMSHA 2402108 | Construction Sand and GravelSurface | AbandonedStatus date: 08/20/2004 | Fryberger Excavation Reported operatorJoe FrybergerReported controller | Safety recordsView source coverage → |
| F.W.F. WASH PLANTMissoula, MTMSHA 2402161 | Construction Sand and GravelSurface | AbandonedStatus date: 07/31/2001 | Farwest Gravel Company LlcReported operatorLunde BastonReported controller | Production / employmentSafety recordsView source coverage → |
| F.W.G.Missoula, MTMSHA 2402160 | Construction Sand and GravelSurface | AbandonedStatus date: 07/31/2001 | Farwest Gravel Company LlcReported operatorLunde BastonReported controller | Production / employmentSafety recordsView source coverage → |
| GabrielGallatin, MTMSHA 2400010 | Crushed, Broken GraniteSurface | AbandonedStatus date: 01/05/1979 | Gallatin County Road DepartmentReported operatorGallatin County-MTReported controller | Neither history importedView source coverage → |
| GalileeLewis And Clark, MTMSHA 2401870 | Gold OreUnderground | AbandonedStatus date: 09/22/1988 | Nelson MiningReported operatorNelson MiningReported controller | Neither history importedView source coverage → |
| Gallatin GraniteGallatin, MTNear Gallatin GatewayMSHA 2402562 | Dimension Stone NECSurface | AbandonedStatus date: 04/01/2010 | Scott L Koelzer Masonry LLCReported operatorScott L Koelzer; Brian F KoelzerReported controller | Production / employmentSafety recordsView source coverage → |
| Garden Of EdenMadison, MTMSHA 2401805 | Gold OreUnderground | AbandonedStatus date: 04/07/1986 | Midnight MiningReported operatorMidnight MiningReported controller | Neither history importedView source coverage → |
| Garden Pit And PlantValley, MTMSHA 2401244 | Construction Sand and GravelSurface | AbandonedStatus date: 09/25/1980 | Wolf Point Ready Mix CompanyReported operatorGlasgow Ready Mix Concrete Company IncReported controller | Neither history importedView source coverage → |
| Gardiner QuarryPark, MTMSHA 2401598 | Dimension Stone NECSurface | AbandonedStatus date: 11/15/1984 | Hallett Minerals CompanyReported operatorHallett Construction CompanyReported controller | Neither history importedView source coverage → |
| Gardiner Travertine Saw PlantPark, MTMSHA 2401298 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 10/25/1978 | Gardiner Travertine CompanyReported operatorGardiner Travertine CompanyReported controller | Neither history importedView source coverage → |
| Gardner PitCarter, MTNear BroadusMSHA 2402611 | Construction Sand and GravelSurface | AbandonedStatus date: 07/22/2013 | BDL Construction LLCReported operatorWilliam H Gay; Dina H GayReported controller | Production / employmentView source coverage → |
| GARDNER PORTABLEYellowstone, MTNear PortableMSHA 2402086 | Construction Sand and GravelSurface | AbandonedStatus date: 08/18/2003 | Arg Sand & Gravel IncReported operatorArthur Larry; Larry ArthurReported controller | Production / employmentSafety recordsView source coverage → |
| Gardner Sand & Gravel PitGallatin, MTMSHA 2400794 | Construction Sand and GravelSurface | AbandonedStatus date: 12/16/1982 | Gardner Sand & Gravel IncReported operatorGardner Sand & Gravel IncReported controller | Neither history importedView source coverage → |
| Garnet MineMadison, MTMSHA 2401903 | Gold OreUnderground | AbandonedStatus date: 07/10/1990 | Chicago Mining CorpReported operatorWeis ByronReported controller | Neither history importedView source coverage → |
| Garnet Project-Nancy Hanks MineGranite, MTNear GarnetMSHA 2402583 | Gold OreUnderground | AbandonedStatus date: 01/01/2012 | GrantHartford Corp.Reported operatorDavid RodliReported controller | Production / employmentSafety recordsView source coverage → |
| Garrick Gravel IncorporatedMissoula, MTMSHA 2401804 | Construction Sand and GravelSurface | AbandonedStatus date: 04/10/1989 | Garrick Gravel IncReported operatorGarrick Norman LReported controller | Neither history importedView source coverage → |
| Geel MineMadison, MTNear SheridanMSHA 2402612 | Gold OreUnderground | AbandonedStatus date: 12/07/2012 | Operator not reportedReported operatorController not reportedReported controller | Production / employmentView source coverage → |
| Gem MountainGranite, MTMSHA 2401919 | GemstonesSurface | AbandonedStatus date: 06/23/1995 | Gem Mountain SapphireReported operatorSmith TheodoreReported controller | Neither history importedView source coverage → |
| GEM MOUNTAINGranite, MTMSHA 2402065 | GemstonesSurface | AbandonedStatus date: 09/18/2001 | American Gem CorpReported operatorAmerican Gem CorpReported controller | Production / employmentSafety recordsView source coverage → |
| Gene L WillisonBroadwater, MTMSHA 2401487 | Gold OreSurface | AbandonedStatus date: 12/18/1991 | Gene L WillisonReported operatorWillison Gene LReported controller | Neither history importedView source coverage → |
| George Gill Construction Pit #1Sheridan, MTNear PlentywoodMSHA 2402645 | Construction Sand and GravelSurface | AbandonedStatus date: 04/22/2020 | George Gill ConstructionReported operatorGeorge R GillReported controller | Production / employmentSafety recordsView source coverage → |
| GeyserJudith Basin, MTNear GeyserMSHA 2402641 | GypsumSurface | AbandonedStatus date: 05/02/2024 | GCC Three Forks, LLC.Reported operatorGCC SAB de CVReported controller | Production / employmentSafety recordsView source coverage → |
| Gilt Edge MineFergus, MTMSHA 2401030 | Gold OreUnderground | AbandonedStatus date: 07/01/1991 | Blue Range Mining Company L PReported operatorDelaware Ventures & L C HoffmanReported controller | Neither history importedView source coverage → |
| Glasgow Mine & MillValley, MTMSHA 2400411 | Common Clays NECSurface | AbandonedStatus date: 12/27/1982 | Federal Ore & Chemicals IncReported operatorHalliburton CompanyReported controller | Neither history importedView source coverage → |
| Glen Garry MinePark, MTNear Cooke CityMSHA 2402332 | Gold OreUnderground | AbandonedStatus date: 11/03/2003 | Denver Grouting-Division/Hayward BakerReported operatorKeller FoundationsReported controller | Production / employmentSafety recordsView source coverage → |
| GlenoraMadison, MTMSHA 2401742 | Gold OreSurface | AbandonedStatus date: 05/10/1984 | Goldstream CorpReported operatorGoldstream CorpReported controller | Neither history importedView source coverage → |
| Glory Hole Gold Placer MineMissoula, MTMSHA 2401735 | Gold OreSurface | AbandonedStatus date: 07/27/1984 | Glory Hole Mining CompanyReported operatorWiitamaki Elmer JReported controller | Neither history importedView source coverage → |
| GLSG Portable CrusherLake, MTNear Big ArmMSHA 2402380 | Construction Sand and GravelSurface | AbandonedStatus date: 04/24/2024 | Glacier Lake Sand and Gravel, Inc.Reported operatorWendy J ForgeyReported controller | Production / employmentSafety recordsView source coverage → |
| Gold BugMineral, MTMSHA 2401649 | Gold OreUnderground | AbandonedStatus date: 05/05/1982 | Flathead Mines IncReported operatorLindbom Waino WReported controller | Neither history importedView source coverage → |