HISTORICAL SITES / RESEARCH DIRECTORY
Find the public record behind a former mining site. Explore reported locations, mined materials and operating history as a starting point for acquisition, reuse or reclamation research.
History means records exist in the imported sources, including older periods. Missing history is not evidence of a clean safety record. Operator and controller names are the last relationships reported in the Mines snapshot; they are not verified current property owners.
| Mine / reported location | Material / type | Reported status | Reported relationships | Available history |
|---|---|---|---|---|
| Niarada MineSanders, MTNear Hot SpringsMSHA 2402554 | Construction Sand and GravelSurface | AbandonedStatus date: 01/01/2010 | W Shane CarrReported operatorWyatt S CarrReported controller | Production / employmentView source coverage → |
| NicholsonMadison, MTMSHA 2401946 | Gold OreUnderground | AbandonedStatus date: 12/09/1991 | Tobacco Mountain Gold IncReported operatorTobacco Mountain Gold IncReported controller | Neither history importedView source coverage → |
| Nick And Dick MineLewis And Clark, MTMSHA 2401635 | Lead-Zinc OreUnderground | AbandonedStatus date: 06/29/1983 | John ByrdReported operatorByrd JohnReported controller | Neither history importedView source coverage → |
| Nies MineMusselshell, MTMSHA 2400100 | Coal (Bituminous)Underground | AbandonedStatus date: 04/23/1973 | Nies Coal CompanyReported operatorNies Coal CompanyReported controller | Neither history importedView source coverage → |
| Nila TyrrelBroadwater, MTMSHA 2401335 | Gold OreSurface | AbandonedStatus date: 07/25/1983 | Blue Bird GroupReported operatorBlue Bird GroupReported controller | Neither history importedView source coverage → |
| Nine Mile MinesMissoula, MTMSHA 2401700 | Gold OreUnderground | AbandonedStatus date: 12/27/1984 | Nine Mile Mines IncReported operatorNine Mile Mines IncReported controller | Neither history importedView source coverage → |
| Nine Mile OperationMissoula, MTMSHA 2401711 | Gold OreSurface | AbandonedStatus date: 08/28/1986 | United States Antimony CorpReported operatorState Street CorporationReported controller | Neither history importedView source coverage → |
| Nine Mile PlacerMissoula, MTMSHA 2401281 | Gold OreSurface | AbandonedStatus date: 09/23/1987 | Clay A LewisReported operatorLewis Clay AReported controller | Neither history importedView source coverage → |
| NONEBig Horn, MTMSHA 2402120 | Construction Sand and GravelSurface | AbandonedStatus date: 03/22/1999 | Gary LauttReported operatorLautt GaryReported controller | Neither history importedView source coverage → |
| Noni #1Lewis And Clark, MTMSHA 2401513 | Gold OreUnderground | AbandonedStatus date: 06/13/1980 | Crocker UnlimitedReported operatorCrocker UnlimitedReported controller | Neither history importedView source coverage → |
| NORDBERG #1Jefferson, MTMSHA 2402179 | Gold OreSurface | AbandonedStatus date: 08/20/2001 | Mungas Company IncReported operatorGeorge MungasReported controller | Production / employmentSafety recordsView source coverage → |
| Normont PitToole, MTNear KevinMSHA 2402792 | Construction Sand and GravelSurface | AbandonedStatus date: 03/12/2025 | Bay MaterialsReported operatorBrian MidboeReported controller | Production / employmentSafety recordsView source coverage → |
| NorweigenMadison, MTNear HarrisonMSHA 2401784 | Gold OreUnderground | AbandonedStatus date: 07/14/2011 | Belmont Mining & ExplorationsReported operatorMatthew RattereeReported controller | Production / employmentSafety recordsView source coverage → |
| N & R BUNN CRUSHERFergus, MTNear LewistownMSHA 2401797 | Construction Sand and GravelFacility | AbandonedStatus date: 04/22/2002 | Nancy & Roy BunnReported operatorNancy Bunn; Roy BunnReported controller | Production / employmentSafety recordsView source coverage → |
| Nugget #2Missoula, MTMSHA 2401576 | Gold OreSurface | AbandonedStatus date: 07/22/1983 | Eddy Peak MinesReported operatorEddy Peak MinesReported controller | Neither history importedView source coverage → |
| NUTTING PITLincoln, MTNear EurekaMSHA 2401974 | Construction Sand and GravelSurface | AbandonedStatus date: 05/10/2005 | Timberline Ready Mix IncReported operatorLeland WorkmanReported controller | Production / employmentSafety recordsView source coverage → |
| Nye Basin AditStillwater, MTMSHA 2401497 | Platinum Group OreUnderground | AbandonedStatus date: 10/04/1979 | C M IncReported operatorC M IncReported controller | Neither history importedView source coverage → |
| Nygren Ready Mix PitSanders, MTMSHA 2401363 | Construction Sand and GravelSurface | AbandonedStatus date: 02/24/1978 | Roger Nygren CompanyReported operatorRoger Nygren CompanyReported controller | Neither history importedView source coverage → |
| O-D PARTNERSHIPPowell, MTMSHA 2402171 | Phosphate RockSurface | AbandonedStatus date: 08/25/1999 | O-D PartnershipReported operatorPaul O'Leary; Martin DippoldReported controller | Production / employmentView source coverage → |
| Ogden PlacerPowell, MTNear LincolnMSHA 2402615 | Gold OreSurface | AbandonedStatus date: 12/06/2012 | JMNC LLCReported operatorGordon Jones; Riley JonesReported controller | Neither history importedView source coverage → |
| Ohio MineBroadwater, MTNear RadersburgMSHA 2401779 | Gold OreSurface | AbandonedStatus date: 10/29/2019 | D&S Mining and ExplorationReported operatorDarko SmilovicReported controller | Production / employmentSafety recordsView source coverage → |
| Old DominionGranite, MTMSHA 2401677 | Gold OreUnderground | AbandonedStatus date: 07/26/1982 | Anaconda Minerals CompanyReported operatorAtlantic Richfield CompanyReported controller | Neither history importedView source coverage → |
| Olsen PitPowell, MTNear Deer LodgeMSHA 2402000 | Construction Sand and GravelSurface | AbandonedStatus date: 07/28/2022 | Deer Lodge Asphalt IncReported operatorBruce A AndersonReported controller | Production / employmentSafety recordsView source coverage → |
| O'Neill ConstructionJefferson, MTMSHA 2401866 | Construction Sand and GravelSurface | AbandonedStatus date: 07/09/1991 | O'Neill Construction IncReported operatorO'Neill Construction IncReported controller | Neither history importedView source coverage → |
| Onsite Recycling 1Hill, MTNear HavreMSHA 2402553 | Construction Sand and GravelSurface | AbandonedStatus date: 02/16/2012 | Onsite RecyclingReported operatorChris OttoReported controller | Production / employmentSafety recordsView source coverage → |
| OPEN BUCKLE PITCascade, MTMSHA 2402045 | Construction Sand and GravelSurface | AbandonedStatus date: 12/24/1997 | Thompson ExcavatingReported operatorGeorge R ThompsonReported controller | Neither history importedView source coverage → |
| OphirJefferson, MTMSHA 2401593 | Gold OreSurface | AbandonedStatus date: 04/07/1982 | Ophir Exploration & Mining CompanyReported operatorOphir Exploration & Mining CompanyReported controller | Neither history importedView source coverage → |
| Oregon GulchLewis And Clark, MTNear YorkMSHA 2402631 | Gold OreSurface | AbandonedStatus date: 12/06/2012 | Rick SchipperReported operatorRick SchipperReported controller | Neither history importedView source coverage → |
| Original MineLewis And Clark, MTMSHA 2401724 | Gold OreSurface | AbandonedStatus date: 06/29/1983 | M & M MiningReported operatorM & M MiningReported controller | Neither history importedView source coverage → |
| Oro ManagementMadison, MTNear AlderMSHA 2402313 | Gold OreSurface | AbandonedStatus date: 11/15/2009 | Oro ManagementReported operatorRichard Mathey; Zane PasmaReported controller | Production / employmentSafety recordsView source coverage → |
Use the mine name and reported location to investigate county parcel and title records, mineral rights, access and planning constraints. MSHA mailing addresses are addresses of record and may not locate the mine. Confirm the parcel and current ownership separately.
EPA mine-site redevelopment primer ↗Check official reclamation inventories and state or tribal programmes for documented hazards, project status and programme criteria. A matching name or an MSHA abandoned status alone does not confirm a programme match.
OSMRE abandoned mine land programme ↗Source: MSHA public datasets. Production history checks quarterly and annual mine production/employment records. Safety history checks violations, inspections and accident reports; other source coverage is available on each mine profile.