| Wash PlantFlathead, MTNear KalispellMSHA 2401964 | Construction Sand and GravelSurface | AbandonedStatus date: 06/18/2020 | LHC IncorporatedReported operatorRoger L ClaridgeReported controller | Production / employmentSafety recordsView source coverage → |
| WASH PLANTMadison, MTMSHA 2402081 | Construction Sand and GravelSurface | AbandonedStatus date: 07/14/1997 | K H ConcreteReported operatorHokanson KevinReported controller | Neither history importedView source coverage → |
| WASH PLANTPowell, MTMSHA 2402150 | Construction Sand and GravelSurface | AbandonedStatus date: 12/14/1998 | Deer Lodge Asphalt IncReported operatorBruce A AndersonReported controller | Neither history importedView source coverage → |
| Wash PlantLincoln, MTNear EurekaMSHA 2402443 | Construction Sand and GravelSurface | AbandonedStatus date: 11/13/2024 | KOOTENAI SAND & GRAVEL, INC.Reported operatorDonavan D TrumanReported controller | Production / employmentSafety recordsView source coverage → |
| Watseca Tails & DumpsMadison, MTMSHA 2401266 | Gold OreFacility | AbandonedStatus date: 08/16/1994 | Madison Star IncReported operatorHill W RayReported controller | Neither history importedView source coverage → |
| Weasel GulchPowell, MTNear DrummondMSHA 2402677 | Gold OreSurface | AbandonedStatus date: 02/18/2015 | Savage Mining Company, LLCReported operatorKen Stacy; Jack D JonesReported controller | Safety recordsView source coverage → |
| WEAVER GRAVEL INCFlathead, MTNear KalispellMSHA 2401543 | Construction Sand and GravelSurface | AbandonedStatus date: 08/16/2013 | Weaver Gravel IncReported operatorArthur L WeaverReported controller | Production / employmentSafety recordsView source coverage → |
| Weaver PortableYellowstone, MTMSHA 2401821 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 08/26/1992 | Weaver Stone Products CompanyReported operatorJames W WeaverReported controller | Neither history importedView source coverage → |
| Weed ConcentratorSilver Bow, MTMSHA 2400689 | Copper Ore NECUnderground | AbandonedStatus date: 12/27/1982 | Anaconda Minerals CompanyReported operatorAtlantic Richfield CompanyReported controller | Neither history importedView source coverage → |
| WELLES 4Madison, MTNear NorrisMSHA 2402181 | Construction Sand and GravelSurface | AbandonedStatus date: 04/14/2026 | A.M. Welles, Inc.Reported operatorAlfred HokansonReported controller | Production / employmentSafety recordsView source coverage → |
| Welles Pug MillMadison, MTNear NorrisMSHA 2402440 | Construction Sand and GravelSurface | AbandonedStatus date: 05/01/2024 | A. M. Welles IncReported operatorAlfred HokansonReported controller | Production / employmentSafety recordsView source coverage → |
| Wendy O MineLewis And Clark, MTMSHA 2401537 | Gold OreSurface | AbandonedStatus date: 03/23/1981 | Rocky Mountain Mining & DevelopmentReported operatorRocky Mountain Mining & DevelopmentReported controller | Neither history importedView source coverage → |
| WERTZ SAND & GRAVELBroadwater, MTMSHA 2401795 | Construction Sand and GravelSurface | AbandonedStatus date: 09/27/2000 | Wertz Sand & GravelReported operatorRay Wertz; William J WertzReported controller | Neither history importedView source coverage → |
| West Bear Rock QuarryFlathead, MTNear KalispellMSHA 2402556 | Dimension Stone NECSurface | AbandonedStatus date: 12/08/2021 | Hadley Stone Supply LLCReported operatorRobert A HadleyReported controller | Production / employmentSafety recordsView source coverage → |
| WEST END SAND & GRAVELYellowstone, MTNear LaurelMSHA 2402158 | Construction Sand and GravelSurface | AbandonedStatus date: 12/19/2006 | West End Sand & GravelReported operatorLinda E MyersReported controller | Production / employmentSafety recordsView source coverage → |
| Western Fuel IncorporatedLewis And Clark, MTMSHA 2401571 | Construction Sand and GravelSurface | AbandonedStatus date: 04/29/1988 | Western Fuel IncReported operatorMulcare John PReported controller | Neither history importedView source coverage → |
| Western Fuel PortableYellowstone, MTMSHA 2401785 | Construction Sand and GravelSurface | AbandonedStatus date: 04/21/1988 | Western Fuel IncReported operatorMulcare John PReported controller | Neither history importedView source coverage → |
| Western Reclamation, LLC #2Mineral, MTNear SuperiorMSHA 2402405 | Construction Sand and GravelSurface | AbandonedStatus date: 08/08/2008 | Western Reclamation, LLCReported operatorKenneth D VerleyReported controller | Production / employmentSafety recordsView source coverage → |
| Western Sand & GravelLewis And Clark, MTMSHA 2401847 | Construction Sand and GravelSurface | AbandonedStatus date: 08/12/1988 | Western Sand & GravelReported operatorWestern Sand & GravelReported controller | Neither history importedView source coverage → |
| Western (Ug)Musselshell, MTMSHA 2400103 | Coal (Bituminous)Underground | AbandonedStatus date: 10/04/1971 | Western Coal CompanyReported operatorWestern Coal CompanyReported controller | Neither history importedView source coverage → |
| Western Vermiculite MineRavalli, MTMSHA 2401442 | VermiculiteSurface | AbandonedStatus date: 07/17/1980 | Argee CorpReported operatorLeighton Holdings Ltd & Reading & Bates CorpReported controller | Neither history importedView source coverage → |
| West MayflowerMadison, MTMSHA 2401892 | Gold OreUnderground | AbandonedStatus date: 07/12/1989 | A & A Mining CompanyReported operatorTimothy AntonioliReported controller | Neither history importedView source coverage → |
| West MinePhillips, MTMSHA 2401436 | Common Clays NECSurface | AbandonedStatus date: 05/09/1979 | American Colloid Company Minerals GroupReported operatorMinerals Technologies IncReported controller | Neither history importedView source coverage → |
| West Shore Works LLCFlathead, MTNear LakesideMSHA 2402197 | Construction Sand and GravelSurface | AbandonedStatus date: 06/20/2006 | West Shore Works LLCReported operatorMontana Eagle Development LLCReported controller | Production / employmentSafety recordsView source coverage → |
| West Shore Works LLCFlathead, MTNear LakesideMSHA 2402328 | Construction Sand and GravelSurface | AbandonedStatus date: 06/20/2006 | West Shore Works LLCReported operatorMontana Eagle Development LLCReported controller | Production / employmentSafety recordsView source coverage → |
| West Valley CrushingDeer Lodge, MTMSHA 2401512 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 07/11/1989 | West Valley Construction Company IncReported operatorWest Valley Construction Company IncReported controller | Neither history importedView source coverage → |
| WES VAL PORTABLE CRUSHERMissoula, MTNear MissoulaMSHA 2402184 | Construction Sand and GravelSurface | AbandonedStatus date: 10/01/2002 | Wes Val IncReported operatorDavid L SuttonReported controller | Production / employmentSafety recordsView source coverage → |
| Whale Creek PitFlathead, MTNear PolebridgeMSHA 2402808 | Construction Sand and GravelSurface | AbandonedStatus date: 08/27/2024 | Cutting Edge Excavation LLCReported operatorKraig TrippelReported controller | Production / employmentView source coverage → |
| Wheeler Barite MineGranite, MTMSHA 2401783 | Barite Barium OreSurface | AbandonedStatus date: 07/12/1985 | Wheeler Milling & MiningReported operatorWheeler Milling & MiningReported controller | Neither history importedView source coverage → |
| Wheeler PitMissoula, MTMSHA 2401267 | Construction Sand and GravelSurface | AbandonedStatus date: 04/24/1978 | Washington Construction CompanyReported operatorWashington Group International IncReported controller | Neither history importedView source coverage → |