| SC CRUSHER #1Campbell, WYNear GilletteMSHA 4801790 | Construction Sand and GravelSurface | AbandonedStatus date: 09/30/2022 | STINSON CONSTRUCTION, LLCReported operatorBowman Stinson; Lynley StinsonReported controller | Production / employmentSafety recordsView source coverage → |
| SC CRUSHER #2Campbell, WYNear GilletteMSHA 4801805 | Construction Sand and GravelSurface | AbandonedStatus date: 07/14/2025 | STINSON CONSTRUCTION, LLCReported operatorBowman Stinson; Lynley StinsonReported controller | Production / employmentSafety recordsView source coverage → |
| School Creek Campbell, WYNear WrightMSHA 4801355 | Coal (Bituminous)Surface | AbandonedStatus date: 10/01/2011 | Peabody School Creek Mining LLCReported operatorPeabody Energy CorporationReported controller | Production / employmentSafety recordsView source coverage → |
| Schundler MineCrook, WYMSHA 4800899 | Fire ClaySurface | AbandonedStatus date: 02/27/1981 | N L Baroid-Div/N L Industries IncReported operatorNl Industries IncReported controller | Neither history importedView source coverage → |
| SCORIA PITCampbell, WYMSHA 4801578 | Construction Sand and GravelSurface | AbandonedStatus date: 08/26/2002 | Roy Shepherd TruckingReported operatorRoy ShepherdReported controller | Production / employmentSafety recordsView source coverage → |
| SCORIA PITCarbon, WYNear bAGGSMSHA 4801599 | Construction Sand and GravelSurface | AbandonedStatus date: 07/02/2005 | Dunn Trucking IncReported operatorDarwin L DunnReported controller | Production / employmentSafety recordsView source coverage → |
| ScreenWashakie, WYNear Ten SleepMSHA 4801760 | Construction Sand and GravelSurface | AbandonedStatus date: 05/15/2012 | Lyman RanchesReported operatorPhillip G Lyman; Kelly L OlneyReported controller | Production / employmentSafety recordsView source coverage → |
| Screen #1Park, WYNear PowellMSHA 4801663 | Construction Sand and GravelSurface | AbandonedStatus date: 10/01/2005 | Kobbe Construction PartnershipReported operatorRay L Kobbe; Robert P KobbeReported controller | Production / employmentView source coverage → |
| Screen 1Johnson, WYNear BuffaloMSHA 4801745 | Construction Sand and GravelSurface | AbandonedStatus date: 03/25/2010 | Barnum Construction Services LLCReported operatorBenjamin A BarnumReported controller | Production / employmentSafety recordsView source coverage → |
| Screen #3Crook, WYNear BuffaloMSHA 4801687 | Construction Sand and GravelSurface | AbandonedStatus date: 07/04/2008 | Dan Hart Patrol Service LLCReported operatorSteven GerberReported controller | Production / employmentSafety recordsView source coverage → |
| ScreenerSublette, WYNear PinedaleMSHA 4801688 | Construction Sand and GravelSurface | AbandonedStatus date: 04/01/2008 | Sublette County Road & BridgeReported operatorSublette County-WyReported controller | Production / employmentSafety recordsView source coverage → |
| Screener #1Converse, WYNear DouglasMSHA 4801773 | Construction Sand and GravelSurface | AbandonedStatus date: 05/29/2018 | Dickau Grading, LLCReported operatorGary W Dickau; Jess E DickauReported controller | Production / employmentSafety recordsView source coverage → |
| Screening PlantPark, WYMSHA 4801447 | Construction Sand and GravelSurface | AbandonedStatus date: 10/15/1991 | Harris Trucking & Construction CompanyReported operatorRoger D KoontzReported controller | Neither history importedView source coverage → |
| Screening Plant No 1Teton, WYMSHA 4801435 | Construction Sand and GravelSurface | AbandonedStatus date: 08/18/1994 | Clark'S Ready-Mix & Construction IncReported operatorClark Lynn FReported controller | Neither history importedView source coverage → |
| Screening Plant No 2Teton, WYMSHA 4801436 | Construction Sand and GravelSurface | AbandonedStatus date: 09/17/1986 | Clark'S Ready-Mix & Construction IncReported operatorClark Lynn FReported controller | Neither history importedView source coverage → |
| Screening Plant No 3Lincoln, WYMSHA 4801439 | Construction Sand and GravelSurface | AbandonedStatus date: 11/15/1985 | Clark'S Ready-Mix & Construction IncReported operatorClark Lynn FReported controller | Neither history importedView source coverage → |
| Screening Plant No OnePark, WYMSHA 4801493 | Construction Sand and GravelSurface | AbandonedStatus date: 10/09/1990 | Asi-MoltzReported operatorVincent Paul MoltzReported controller | Neither history importedView source coverage → |
| Screen No. 1Johnson, WYNear BuffaloMSHA 4801703 | Construction Sand and GravelSurface | AbandonedStatus date: 11/05/2007 | Northern Plains Investments, LLCReported operatorDennis Lawrence; John GibbsReported controller | Production / employmentSafety recordsView source coverage → |
| Screen Number 1Weston, WYNear UptonMSHA 4801652 | Construction Sand and GravelSurface | AbandonedStatus date: 01/09/2015 | Dan Hart Patrol Service LLCReported operatorSteven GerberReported controller | Production / employmentSafety recordsView source coverage → |
| Screen Number 2Weston, WYNear UptonMSHA 4801684 | Construction Sand and GravelSurface | AbandonedStatus date: 04/21/2020 | Dan Hart Patrol Service LLCReported operatorSteven GerberReported controller | Production / employmentSafety recordsView source coverage → |
| Screen PlantSublette, WYNear DanielMSHA 4801673 | Construction Sand and GravelSurface | AbandonedStatus date: 01/01/2006 | Koch Construction, IncReported operatorAaron M KochReported controller | Production / employmentSafety recordsView source coverage → |
| Screen PlantSublette, WYNear Big PineyMSHA 4801696 | Construction Sand and GravelSurface | AbandonedStatus date: 09/09/2020 | Green River RockReported operatorMark Fear; Rod BennettReported controller | Production / employmentSafety recordsView source coverage → |
| Seahorn Brothers Sand And GravelCarbon, WYMSHA 4800291 | Construction Sand and GravelSurface | AbandonedStatus date: 06/17/1981 | Seahorn BrothersReported operatorSeahorn Earl SReported controller | Neither history importedView source coverage → |
| Section 20 PitSweetwater, WYMSHA 4801171 | Construction Sand and GravelSurface | AbandonedStatus date: 10/15/1980 | Clark'S Ready-Mix & Construction IncReported operatorClark Lynn FReported controller | Neither history importedView source coverage → |
| Seminoe ICarbon, WYNear HannaMSHA 4800514 | Coal (Bituminous)Surface | Abandoned and SealedStatus date: 01/01/1986 | Arch Mineral CorpReported operatorAshland IncReported controller | Neither history importedView source coverage → |
| Seminoe II MineCarbon, WYNear HannaMSHA 4800828 | Coal (Bituminous)Facility | AbandonedStatus date: 05/18/2015 | Arch Of Wyoming LLCReported operatorArch Resources IncReported controller | Production / employmentSafety recordsView source coverage → |
| Shawnee PitConverse, WYNear ShawneeMSHA 4801759 | Dimension LimestoneSurface | AbandonedStatus date: 08/11/2021 | Phillips & Jordan, IncorporatedReported operatorAvis A PhillipsReported controller | Production / employmentSafety recordsView source coverage → |
| Sheep Creek PitAlbany, WYMSHA 4801281 | Construction Sand and GravelSurface | AbandonedStatus date: 06/17/1981 | Ed Loloff Construction IncReported operatorLoloff EdReported controller | Neither history importedView source coverage → |
| Sheep Mountain MineFremont, WYMSHA 4800969 | Uranium OreUnderground | AbandonedStatus date: 07/30/2001 | Energy Fuels Wyoming IncReported operatorEnergy Fuels IncReported controller | Production / employmentSafety recordsView source coverage → |
| Shepherd PitCampbell, WYMSHA 4801095 | PumiceSurface | AbandonedStatus date: 01/19/1982 | Roy Shepherd-OwnerReported operatorRoy ShepherdReported controller | Neither history importedView source coverage → |