| Sletten Pug MillCascade, MTMSHA 2401979 | Construction Sand and GravelSurface | AbandonedStatus date: 08/30/1995 | Sletten Construction CompanyReported operatorSletten RobertReported controller | Neither history importedView source coverage → |
| Small AmountLincoln, MTNear LibbyMSHA 2402697 | Dimension Stone NECSurface | AbandonedStatus date: 04/15/2019 | Scott D SmithReported operatorScott D SmithReported controller | Production / employmentSafety recordsView source coverage → |
| Small Portable ScreenMissoula, MTNear MissoulaMSHA 2402145 | Construction Sand and GravelSurface | AbandonedStatus date: 04/24/2024 | Knife River MissoulaReported operatorKnife River CorporationReported controller | Production / employmentSafety recordsView source coverage → |
| SmasherFlathead, MTNear KalispellMSHA 2402419 | Construction Sand and GravelSurface | AbandonedStatus date: 01/01/2007 | Lonnie KnutsonReported operatorLonnie KnutsonReported controller | Production / employmentSafety recordsView source coverage → |
| Smith Mt. QuarrySanders, MTNear PermaMSHA 2402308 | Dimension MicaSurface | AbandonedStatus date: 07/28/2003 | Terry JosephsonReported operatorTerry JosephsonReported controller | Neither history importedView source coverage → |
| Smuggler Montana LLCMadison, MTNear SheridanMSHA 2402643 | Gold OreUnderground | AbandonedStatus date: 06/16/2014 | Smuggler Mine MT LLCReported operatorMelvin HuntReported controller | Production / employmentSafety recordsView source coverage → |
| Snider MineMadison, MTMSHA 2401682 | Gold OreUnderground | AbandonedStatus date: 12/22/1982 | Montana Barite Company IncReported operatorReber D LReported controller | Neither history importedView source coverage → |
| Snowbank MineMeagher, MTMSHA 2401693 | Gold OreUnderground | AbandonedStatus date: 09/23/1989 | Richard K GeordgeReported operatorRichard K GeordgeReported controller | Neither history importedView source coverage → |
| Snow WhiteDeer Lodge, MTMSHA 2401300 | Misc. Nonmetallic Mnls. NECSurface | AbandonedStatus date: 03/15/1982 | Manufacturers Mineral CompanyReported operatorJim AndersonReported controller | Neither history importedView source coverage → |
| Soap Gulch Quarry- Nusite StoneSilver Bow, MTNear St RegisMSHA 2402395 | Construction Sand and GravelSurface | AbandonedStatus date: 01/01/2009 | Nusite Stone/Clearwater StoneReported operatorRalph E JacksonReported controller | Production / employmentSafety recordsView source coverage → |
| Solminiski QuarryMissoula, MTMSHA 2401293 | Crushed, Broken GraniteSurface | AbandonedStatus date: 06/13/1978 | Cunningham Const CoReported operatorCunningham Const CoReported controller | Neither history importedView source coverage → |
| Sourdough PitSweet Grass, MTNear Big TimberMSHA 2402566 | Dimension Stone NECSurface | AbandonedStatus date: 11/15/2010 | Loren EllisonReported operatorLoren J EllisonReported controller | Production / employmentSafety recordsView source coverage → |
| South Barber #1Golden Valley, MTNear ShawmutMSHA 2402461 | Sand, CommonSurface | AbandonedStatus date: 09/12/2024 | Venture Stone LLC Reported operatorDon JacobsReported controller | Production / employmentSafety recordsView source coverage → |
| SOUTH BOULDER GRAZZING ASSN PITJefferson, MTMSHA 2402087 | Construction Sand and GravelSurface | AbandonedStatus date: 10/01/2002 | Concrete Material Of MontanaReported operatorGregory LuchtReported controller | Production / employmentSafety recordsView source coverage → |
| South Shawmut YardWheatland, MTNear ShawmutMSHA 2402462 | Sand, CommonSurface | AbandonedStatus date: 01/01/2009 | Big Sky Masonry Stone IncReported operatorPhillip Cox; Rebeca CoxReported controller | Production / employmentSafety recordsView source coverage → |
| Speiker DiggingsPowell, MTMSHA 2401722 | Gold OreSurface | AbandonedStatus date: 07/16/1984 | Image IncReported operatorImage IncReported controller | Neither history importedView source coverage → |
| SPERRY DISCOUNT GRAVELRavalli, MTNear CorvellisMSHA 2402148 | Construction Sand and GravelSurface | AbandonedStatus date: 08/27/2002 | Sperry Discount GravelReported operatorDarrel SperryReported controller | Production / employmentSafety recordsView source coverage → |
| Spion-Kop AggregateJudith Basin, MTNear GeyserMSHA 2402620 | Construction Sand and GravelSurface | AbandonedStatus date: 05/25/2013 | Dick Anderson Construction, Inc.Reported operatorDick AndersonReported controller | Production / employmentSafety recordsView source coverage → |
| Spokane Hills MineBroadwater, MTMSHA 2401540 | Tungsten OreUnderground | AbandonedStatus date: 06/04/1982 | Westgate Mining & Construction IncReported operatorMowlem John PlcReported controller | Neither history importedView source coverage → |
| SPOKANE HILLS QUARRYBroadwater, MTMSHA 2401988 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 09/24/2001 | Spokane Minerals LimitedReported operatorBen HougeReported controller | Production / employmentSafety recordsView source coverage → |
| SPOKLIE'SFlathead, MTNear WhitefishMSHA 2402186 | Construction Sand and GravelSurface | AbandonedStatus date: 02/26/2018 | Spoklie'S South Valley GravelReported operatorGrant SpoklieReported controller | Production / employmentSafety recordsView source coverage → |
| Spoklie's #2Flathead, MTNear KalispellMSHA 2402559 | Construction Sand and GravelSurface | AbandonedStatus date: 10/09/2009 | Spoklie's South Valley GravelReported operatorGrant SpoklieReported controller | Production / employmentView source coverage → |
| Spotted Horse MineFergus, MTMSHA 2400512 | Gold OreUnderground | AbandonedStatus date: 04/09/1991 | Chelsea Resources (Us) IncReported operatorBauer Charles WReported controller | Neither history importedView source coverage → |
| SpringtownGranite, MTNear DrummundMSHA 2402762 | Gold OreSurface | AbandonedStatus date: 11/13/2024 | DKD Mining LLCReported operatorKevin Dietz; Rich Dietz; Lyn Kaper; Gerald (Jerry) LeeReported controller | Production / employmentView source coverage → |
| Springwater Sand & GravelWheatland, MTNear HarlowtonMSHA 2402574 | Construction Sand and GravelSurface | AbandonedStatus date: 10/22/2012 | Springwater Concrete MaterialsReported operatorPeter P HoferReported controller | Production / employmentSafety recordsView source coverage → |
| Spuhler Mine & MillMadison, MTMSHA 2401617 | Gold OreUnderground | AbandonedStatus date: 08/30/1982 | Lee Mining CorpReported operatorClaude K LeeReported controller | Neither history importedView source coverage → |
| Square Deal Mine #1 (Ug)Musselshell, MTMSHA 2400102 | Coal (Bituminous)Underground | AbandonedStatus date: 01/26/1973 | Square Deal Coal CompanyReported operatorSquare Deal Coal CompanyReported controller | Neither history importedView source coverage → |
| Square Deal StripMusselshell, MTMSHA 2400359 | Coal (Bituminous)Surface | AbandonedStatus date: 09/17/1973 | Square Deal Coal CompanyReported operatorSquare Deal Coal CompanyReported controller | Neither history importedView source coverage → |
| SRM-1Sheridan, MTNear PlentywoodMSHA 2402632 | Construction Sand and GravelSurface | AbandonedStatus date: 02/07/2013 | Idlewild Group IncReported operatorKaren PaustianReported controller | Neither history importedView source coverage → |
| S R M PORTABLESheridan, MTMSHA 2401801 | Construction Sand and GravelSurface | AbandonedStatus date: 11/05/1997 | Sheridan Ready Mix IncReported operatorElizabeth EvensonReported controller | Neither history importedView source coverage → |