| PRM CRUSHERLake, MTMSHA 2402094 | Construction Sand and GravelSurface | AbandonedStatus date: 07/14/1998 | Polson Ready Mix Concrete IncReported operatorFrank A ThomasReported controller | Neither history importedView source coverage → |
| Prospect Mill & Crusher Madison, MTNear Virginia CityMSHA 2402639 | Construction Sand and GravelSurface | AbandonedStatus date: 04/30/2024 | Moen Builders, Inc.Reported operatorRoy Matthew MoenReported controller | Production / employmentView source coverage → |
| Prospect MineMadison, MTNear Virginia CityMSHA 2401991 | Gold OreUnderground | AbandonedStatus date: 12/06/2021 | M & W Milling & Refining IncReported operatorRoy A MoenReported controller | Production / employmentSafety recordsView source coverage → |
| PUG MILLSilver Bow, MTMSHA 2402141 | Construction Sand and GravelSurface | AbandonedStatus date: 06/25/2001 | Hollow Contracting IncReported operatorWilliam J HollowReported controller | Production / employmentView source coverage → |
| PUGMILLLewis And Clark, MTMSHA 2402060 | Construction Sand and GravelSurface | AbandonedStatus date: 03/08/2001 | S K Construction IncReported operatorWm Dewey SkeltonReported controller | Production / employmentView source coverage → |
| PUGMILL C4Rosebud, MTMSHA 2402139 | Construction Sand and GravelFacility | AbandonedStatus date: 03/26/1999 | Prince IncReported operatorBonnie Prince; John PrinceReported controller | Production / employmentView source coverage → |
| Pugmill- New C6Dawson, MTNear GlendiveMSHA 2402370 | Construction Sand and GravelSurface | AbandonedStatus date: 04/15/2020 | Prince IncReported operatorBonnie Prince; John PrinceReported controller | Production / employmentSafety recordsView source coverage → |
| Pugsley #2Liberty, MTNear ChesterMSHA 2402584 | Construction Sand and GravelSurface | AbandonedStatus date: 04/07/2017 | Johnson Redi-Mix LLCReported operatorKayla E Johnson; Jeremiah M JohnsonReported controller | Production / employmentSafety recordsView source coverage → |
| Quartz Creek Gold IncMineral, MTNear SuperiorMSHA 2402727 | Gold OreSurface | AbandonedStatus date: 07/29/2019 | Quartz Creek Gold IncReported operatorRobert Hopper JrReported controller | Neither history importedView source coverage → |
| Quartz Gulch PlacerGranite, MTMSHA 2401930 | Gold OreSurface | AbandonedStatus date: 01/08/1991 | 1990 Boulder CreekReported operator1990 Boulder CreekReported controller | Neither history importedView source coverage → |
| Quartz PlacerMineral, MTNear SuperiorMSHA 2402509 | Gold OreSurface | AbandonedStatus date: 01/01/2009 | Hagaman IncReported operatorJon P HagamanReported controller | Production / employmentSafety recordsView source coverage → |
| QUNELL #1Chouteau, MTMSHA 2402058 | Construction Sand and GravelSurface | AbandonedStatus date: 07/12/2000 | Chouteau CountyReported operatorChouteau County-MtReported controller | Production / employmentSafety recordsView source coverage → |
| Rabel Excavating Inc.Powell, MTNear Gold CreekMSHA 2402387 | Construction Sand and GravelSurface | AbandonedStatus date: 01/27/2022 | Rabel Excavating Inc.Reported operatorRobert M RabelReported controller | Production / employmentSafety recordsView source coverage → |
| Rader MinesMeagher, MTMSHA 2401743 | Gold OreSurface | AbandonedStatus date: 07/18/1984 | Rader MinesReported operatorRader MinesReported controller | Neither history importedView source coverage → |
| Radersburg QuarryBroadwater, MTMSHA 2401778 | Dimension Stone NECSurface | AbandonedStatus date: 12/09/1985 | White & Mc Neil ExcavatingReported operatorWhite & Mc Neil ExcavatingReported controller | Neither history importedView source coverage → |
| Rainbow MillMadison, MTMSHA 2401853 | Gold OreUnderground | AbandonedStatus date: 06/09/1992 | Micah Mining CorpReported operatorBryant BarryReported controller | Neither history importedView source coverage → |
| Rainbow Mtn StoneSanders, MTNear NoxonMSHA 2402366 | Dimension Stone NECSurface | AbandonedStatus date: 01/01/2009 | Cameron A BlaggReported operatorCameron A BlaggReported controller | Production / employmentSafety recordsView source coverage → |
| Rainbow PitMissoula, MTNear GreenoughMSHA 2401998 | Construction Sand and GravelSurface | AbandonedStatus date: 01/05/2011 | Rainbow EnterprisesReported operatorKerry DrewReported controller | Production / employmentSafety recordsView source coverage → |
| Ramage PitGolden Valley, MTNear CushmanMSHA 2402745 | Dimension Stone NECSurface | AbandonedStatus date: 05/12/2022 | Venture Stone LLCReported operatorDon JacobsReported controller | Production / employmentSafety recordsView source coverage → |
| RAMAKER PORTABLE CRUSHERTeton, MTNear ChoteauMSHA 2401762 | Construction Sand and GravelSurface | AbandonedStatus date: 03/22/2005 | Ramaker-Swanson IncReported operatorRamaker JamesReported controller | Production / employmentSafety recordsView source coverage → |
| Randy Gembala Excavating CompanyFlathead, MTNear KalispellMSHA 2402499 | Construction Sand and GravelSurface | AbandonedStatus date: 07/14/2008 | Randy Gembala Excavating CompanyReported operatorRandy L GembalaReported controller | Production / employmentView source coverage → |
| Ravalli County CrusherRavalli, MTNear HamiltonMSHA 2401302 | Construction Sand and GravelSurface | AbandonedStatus date: 09/13/2023 | Ravalli CountyReported operatorRavalli County-MTReported controller | Production / employmentSafety recordsView source coverage → |
| RavenLincoln, MTNear LibbyMSHA 2402736 | Dimension Stone NECSurface | AbandonedStatus date: 01/27/2022 | Jacobs Consulting CoReported operatorLevi JacobsReported controller | Production / employmentView source coverage → |
| Read Challenger MDL #22R176Cascade, MTNear Great FallsMSHA 2402374 | Construction Sand and GravelSurface | AbandonedStatus date: 07/15/2008 | Shumaker Trucking & Excavating Contractors IncReported operatorC Eugene ShumakerReported controller | Production / employmentView source coverage → |
| Reclaim LLCBroadwater, MTNear East HelenaMSHA 2402638 | Gold OreSurface | AbandonedStatus date: 11/18/2014 | Reclaim LLCReported operatorMontag Resources IncReported controller | Production / employmentSafety recordsView source coverage → |
| Red Bluff QuarrySanders, MTMSHA 2401812 | Dimension TraprockSurface | AbandonedStatus date: 08/12/1991 | Red Bluff Quarry IncReported operatorMorgan James MikeReported controller | Neither history importedView source coverage → |
| Red Lodge Smith SiteCarbon, MTNear Bear CreekMSHA 2401839 | Coal (Bituminous)Facility | AbandonedStatus date: 04/04/1987 | Cook Coal CompanyReported operatorTurley WindleReported controller | Neither history importedView source coverage → |
| RED PIONEERMadison, MTMSHA 2401951 | Construction Sand and GravelSurface | AbandonedStatus date: 12/29/1998 | A M Welles IncReported operatorAlfred HokansonReported controller | Neither history importedView source coverage → |
| Red Rock MineMadison, MTMSHA 2402006 | GemstonesSurface | AbandonedStatus date: 03/24/1995 | Red Rock MineReported operatorCox GeorgeReported controller | Neither history importedView source coverage → |
| Red Rock QuarryFlathead, MTMSHA 2400663 | Construction Sand and GravelSurface | AbandonedStatus date: 08/18/1986 | Big Horn Calcium CompanyReported operatorJames W WeaverReported controller | Neither history importedView source coverage → |