| Tabor No 2 - Millie BlyMadison, MTMSHA 2401658 | Gold OreUnderground | AbandonedStatus date: 08/30/1982 | Tabor Mines & Metals CorpReported operatorKramer James DReported controller | Neither history importedView source coverage → |
| Tabor No 3 - New WinnetkaMadison, MTMSHA 2401659 | Gold OreUnderground | AbandonedStatus date: 08/30/1982 | Tabor Mines & Metals CorpReported operatorKramer James DReported controller | Neither history importedView source coverage → |
| Tabor No 4 - KeyholeMadison, MTMSHA 2401660 | Gold OreUnderground | AbandonedStatus date: 08/30/1982 | Tabor Mines & Metals CorpReported operatorKramer James DReported controller | Neither history importedView source coverage → |
| Tabor No 5 - St JohnMadison, MTMSHA 2401661 | Gold OreUnderground | AbandonedStatus date: 08/30/1982 | Tabor Mines & Metals CorpReported operatorKramer James DReported controller | Neither history importedView source coverage → |
| Tail HoltFergus, MTMSHA 2401933 | Gold OreUnderground | AbandonedStatus date: 07/01/1991 | Tail Holt MiningReported operatorBrown Michael R-J Vince KarpReported controller | Neither history importedView source coverage → |
| TamarackMadison, MTNear SheridanMSHA 2401589 | Gold OreUnderground | AbandonedStatus date: 10/16/2008 | Millstream Mines IncReported operatorErnist HarrisonReported controller | Production / employmentSafety recordsView source coverage → |
| Taylor MillMadison, MTMSHA 2401541 | Gold OreFacility | AbandonedStatus date: 01/21/1985 | Taylor Mining CompanyReported operatorTaylor DarrylReported controller | Neither history importedView source coverage → |
| Telesmith Wash Plant PortableFlathead, MTNear KalispellMSHA 2402500 | Construction Sand and GravelSurface | AbandonedStatus date: 01/01/2009 | Knife River Western Mountain RegionReported operatorKnife River CorporationReported controller | Production / employmentSafety recordsView source coverage → |
| Telsmith Jaw Plant #4010Flathead, MTNear KalispellMSHA 2402538 | Construction Sand and GravelSurface | AbandonedStatus date: 01/01/2009 | Nelcon, Inc.Reported operatorMike P White; Val B WhiteReported controller | Production / employmentView source coverage → |
| Temporary ScreenBlaine, MTNear HAVREMSHA 2402778 | Sand, CommonSurface | AbandonedStatus date: 11/13/2024 | Havre Sand & Gravel, IncReported operatorCharles Emile OttoReported controller | Production / employmentView source coverage → |
| Tesab CrusherHill, MTNear HavreMSHA 2402192 | Construction Sand and GravelSurface | AbandonedStatus date: 05/19/2006 | Otto Construction IncReported operatorJerry Otto; Debbie OttoReported controller | Production / employmentSafety recordsView source coverage → |
| The CurleyRavalli, MTMSHA 2401596 | Silver OreSurface | AbandonedStatus date: 01/14/1983 | Montana Mountain Mining IncReported operatorMontana Mountain Mining IncReported controller | Neither history importedView source coverage → |
| THE GOLDEN ARROW MINEFergus, MTNear RoyMSHA 2402194 | Gold OreUnderground | AbandonedStatus date: 11/17/2005 | Golden Arrow Mining Co LLCReported operatorCarson J Rife; Bill O RifeReported controller | Production / employmentView source coverage → |
| The Good MineLewis And Clark, MTNear HelenaMSHA 2402545 | Gold OreUnderground | AbandonedStatus date: 10/01/2009 | The Good MineReported operatorMark SafronoffReported controller | Production / employmentSafety recordsView source coverage → |
| The HollowLake, MTNear PolsonMSHA 2402107 | Construction Sand and GravelSurface | AbandonedStatus date: 08/15/2012 | Montana Rock Products IncReported operatorGlen T. Vergeront; Charles R. VergerontReported controller | Production / employmentSafety recordsView source coverage → |
| The Lovell Clay Products Co BillingYellowstone, MTMSHA 2400764 | Common Clays NECFacility | AbandonedStatus date: 05/21/1982 | Lovell Clay Products CompanyReported operatorStewart RalphReported controller | Neither history importedView source coverage → |
| THE PITLincoln, MTMSHA 2401958 | Construction Sand and GravelSurface | AbandonedStatus date: 03/09/1999 | Pit The (Jfl Trust)Reported operatorJfl TrustReported controller | Production / employmentView source coverage → |
| Thivridge Portable Crusher #1Silver Bow, MTMSHA 2401390 | Construction Sand and GravelSurface | AbandonedStatus date: 05/07/1980 | Leary Thivridge Construction CompanyReported operatorLeary Thivridge Construction CompanyReported controller | Neither history importedView source coverage → |
| Thompson Lake QuarryFlathead, MTNear MarionMSHA 2402546 | Dimension Stone NECSurface | AbandonedStatus date: 02/07/2014 | Anderson Masonry IncReported operatorZachery David AndersonReported controller | Production / employmentSafety recordsView source coverage → |
| Thompson PitCascade, MTNear VaughnMSHA 2401843 | Construction Sand and GravelSurface | AbandonedStatus date: 04/18/2006 | Thompson Excavating, IncReported operatorGeorge R ThompsonReported controller | Production / employmentSafety recordsView source coverage → |
| ThunderRichland, MTNear SidneyMSHA 2402647 | Construction Sand and GravelSurface | AbandonedStatus date: 06/23/2014 | Northern Mining & Aggregate Solutions, LLPReported operatorLuke Moseman; Tonia M SchmidtReported controller | Production / employmentSafety recordsView source coverage → |
| Timber CreekDawson, MTNear GlendiveMSHA 2402672 | Construction Sand and GravelSurface | AbandonedStatus date: 07/27/2016 | Peak Aggregate ProductsReported operatorBristol Bay Native CorporationReported controller | Production / employmentSafety recordsView source coverage → |
| Titan CrusherSweet Grass, MTNear Big TimberMSHA 2402541 | Construction Sand and GravelSurface | AbandonedStatus date: 08/18/2026 | Titan Sand and Gravel LLCReported operatorYancy Dale TerlandReported controller | Production / employmentSafety recordsView source coverage → |
| Titan MaterialsMadison, MTNear EnnisMSHA 2402099 | Construction Sand and GravelSurface | AbandonedStatus date: 04/13/2026 | Titan IncReported operatorLukas R ClarkReported controller | Production / employmentSafety recordsView source coverage → |
| TMC KOLBERG SCREENGallatin, MTMSHA 2402076 | Construction Sand and GravelSurface | AbandonedStatus date: 05/07/2002 | Tmc IncReported operatorShawn Sime; Ronald PikeReported controller | Production / employmentSafety recordsView source coverage → |
| Todd'S MineMadison, MTMSHA 2401965 | Construction Sand and GravelSurface | AbandonedStatus date: 08/22/1995 | Nevin ConstructionReported operatorNevin RobertReported controller | Neither history importedView source coverage → |
| Tomahawk Raineer ClaimsPowell, MTMSHA 2401786 | Gold OreSurface | AbandonedStatus date: 07/12/1985 | Archie D CameronReported operatorCameron Archie DReported controller | Neither history importedView source coverage → |
| Tom Mc MillinMeagher, MTMSHA 2401772 | Gold OreSurface | AbandonedStatus date: 09/05/1985 | Tom Mc Millin CompanyReported operatorTom Mc Millin CompanyReported controller | Neither history importedView source coverage → |
| Tom Mc Millin MineMeagher, MTMSHA 2401698 | Gold OreSurface | AbandonedStatus date: 07/18/1984 | Mc Millin Brothers ConstructorsReported operatorMc Millin Brothers ConstructorsReported controller | Neither history importedView source coverage → |
| Toole County Portable CrusherToole, MTNear ShelbyMSHA 2402009 | Construction Sand and GravelSurface | AbandonedStatus date: 10/01/2010 | Toole CountyReported operatorToole County-MtReported controller | Production / employmentSafety recordsView source coverage → |