| IMC PIT 1Sublette, WYNear PinedaleMSHA 4801765 | Construction Sand and GravelSurface | AbandonedStatus date: 08/13/2012 | Intermountain Contractors LLC.Reported operatorMike McCulloughReported controller | Safety recordsView source coverage → |
| Imerys Marble IncorporatedPlatte, WYNear WheatlandMSHA 4800026 | Dimension MarbleSurface | AbandonedStatus date: 03/22/2005 | Imerys Marble IncReported operatorImerys S AReported controller | Production / employmentSafety recordsView source coverage → |
| Imerys Marble IncorporatedPlatte, WYNear WheatlandMSHA 4800533 | Crushed, Broken MarbleFacility | AbandonedStatus date: 03/22/2005 | Imerys Marble IncReported operatorImerys S AReported controller | Production / employmentSafety recordsView source coverage → |
| Innes PitCampbell, WYMSHA 4801112 | Construction Sand and GravelSurface | AbandonedStatus date: 12/14/1978 | Campbell County Road & Bridge DepartmentReported operatorCampbell County-WyReported controller | Neither history importedView source coverage → |
| IRIGARAY/CHRISTENSEN PROJECTJohnson, WYMSHA 4801148 | Uranium OreFacility | AbandonedStatus date: 09/30/2002 | Cogema Mining IncReported operatorCogema S AReported controller | Production / employmentSafety recordsView source coverage → |
| Iron DukeFremont, WYNear RivertonMSHA 4801821 | Gold OreUnderground | AbandonedStatus date: 06/01/2020 | TommyKnockers LLCReported operatorJacob J Tyra; Graham H JacobsReported controller | Production / employmentView source coverage → |
| Irvine PitConverse, WYMSHA 4801293 | Construction Sand and GravelSurface | AbandonedStatus date: 10/17/1980 | Gilpatrick Construction Company IncReported operatorRichard GilpatrickReported controller | Neither history importedView source coverage → |
| JACKPOT MINEFremont, WYMSHA 4801478 | Uranium OreUnderground | AbandonedStatus date: 07/30/2001 | Green Mountain Mining VentureReported operatorRtz-Cra Group & U S Energy/Crested CorpReported controller | Production / employmentSafety recordsView source coverage → |
| Jacobs Ranch MineCampbell, WYNear WrightMSHA 4800997 | Coal (Bituminous)Surface | AbandonedStatus date: 10/01/2009 | Jacobs Ranch Coal LLCReported operatorArch Resources IncReported controller | Production / employmentSafety recordsView source coverage → |
| James Orr CrusherNatrona, WYMSHA 4801317 | Construction Sand and GravelSurface | AbandonedStatus date: 10/22/1982 | James C Orr Contractor IncReported operatorOrr JohnReported controller | Neither history importedView source coverage → |
| Jamison PitUinta, WYMSHA 4801320 | Construction Sand and GravelSurface | AbandonedStatus date: 11/26/1985 | Parson Ready Mix CompanyReported operatorParson Jack B CompaniesReported controller | Neither history importedView source coverage → |
| Jarreal Gravel PitCarbon, WYMSHA 4801166 | Construction Sand and GravelSurface | AbandonedStatus date: 04/14/1978 | Big Horn ConstructionReported operatorPeter Kiewit Sons' IncReported controller | Neither history importedView source coverage → |
| Jaure PitSweetwater, WYNear WamsutterMSHA 4801651 | Construction Sand and GravelSurface | AbandonedStatus date: 10/06/2008 | Hyland Enterprises IncReported operatorDoug DevlonReported controller | Production / employmentSafety recordsView source coverage → |
| Jaw Crusher Crook, WYNear GilletteMSHA 4801740 | Construction Sand and GravelSurface | AbandonedStatus date: 11/09/2021 | Earth Work Solutions (WY)Reported operatorTyler Miller; Tom MillerReported controller | Production / employmentSafety recordsView source coverage → |
| J B Frost PitFremont, WYMSHA 4801137 | Construction Sand and GravelSurface | AbandonedStatus date: 10/22/1982 | R J Studer & SonsReported operatorRalph J Studer JrReported controller | Neither history importedView source coverage → |
| Jenkins ProjectCarbon, WYMSHA 4801132 | Uranium OreSurface | AbandonedStatus date: 12/16/1982 | Uranium Supply Services CorpReported operatorUranium Supply Services CorpReported controller | Neither history importedView source coverage → |
| Jennifer PitConverse, WYNear DouglasMSHA 4801850 | Construction Sand and GravelSurface | AbandonedStatus date: 08/12/2024 | C&H ExcavationReported operatorCliff E SimpsonReported controller | Production / employmentSafety recordsView source coverage → |
| J J GravelSublette, WYNear boulderMSHA 4801653 | Construction Sand and GravelSurface | AbandonedStatus date: 03/12/2007 | Fairbanks Jones LLCReported operatorEric A Fairbanks; Mark A JonesReported controller | Production / employmentSafety recordsView source coverage → |
| John Christian PitJohnson, WYMSHA 4801205 | Construction Sand and GravelSurface | AbandonedStatus date: 08/10/1983 | K G Construction CompanyReported operatorJerry R Means; Craig MeansReported controller | Neither history importedView source coverage → |
| Johnson Cnty Road & Bridge Ptble ScreenJohnson, WYNear buffaloMSHA 4801237 | Construction Sand and GravelSurface | AbandonedStatus date: 09/16/2008 | Johnson County Road & BridgeReported operatorJohnson County-WYReported controller | Production / employmentSafety recordsView source coverage → |
| Joint Crusher 7-1 7-9Sheridan, WYMSHA 4801254 | Construction Sand and GravelSurface | AbandonedStatus date: 06/27/1989 | J D Pelesky Construction Company IncReported operatorPelesky Gerald KReported controller | Neither history importedView source coverage → |
| Jones PitGoshen, WYMSHA 4801057 | Construction Sand and GravelSurface | AbandonedStatus date: 03/19/1980 | Goshen County Highway DepartmentReported operatorGoshen County-WyReported controller | Neither history importedView source coverage → |
| JR Civil Portable 1Sheridan, WYNear SheridanMSHA 4801776 | Construction Sand and GravelSurface | AbandonedStatus date: 06/05/2014 | JR Civil, LLCReported operatorJenea StoltzReported controller | Production / employmentSafety recordsView source coverage → |
| JTL - PORTABLE NO 1Converse, WYMSHA 4801535 | Construction Sand and GravelSurface | AbandonedStatus date: 07/01/2002 | Jtl Group IncReported operatorKnife River CorporationReported controller | Production / employmentSafety recordsView source coverage → |
| Justin PitAlbany, WYMSHA 4800269 | Construction Sand and GravelSurface | AbandonedStatus date: 03/18/1980 | Sterling Sand & Gravel Company Of WyomingReported operatorKoppers Co Inc & Redland PlcReported controller | Neither history importedView source coverage → |
| Kasler-State QuarryLaramie, WYMSHA 4801415 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 10/31/1985 | Andesite Rock CompanyReported operatorL G Everist IncReported controller | Neither history importedView source coverage → |
| Kaycee/Brock MinesJohnson, WYMSHA 4800970 | Common Clays NECSurface | AbandonedStatus date: 05/01/1985 | Kaycee Bentonite CorpReported operatorT A ThorsonReported controller | Neither history importedView source coverage → |
| Kay PitAlbany, WYMSHA 4801202 | Construction Sand and GravelSurface | AbandonedStatus date: 03/19/1980 | Rissler & Mc Murry CompanyReported operatorRon McMurryReported controller | Neither history importedView source coverage → |
| Keith PitJohnson, WYMSHA 4801249 | Construction Sand and GravelSurface | AbandonedStatus date: 08/14/1979 | Fisher Sand & Gravel CompanyReported operatorThomas G FisherReported controller | Neither history importedView source coverage → |
| Kemmerer #35Lincoln, WYMSHA 4801325 | Construction Sand and GravelSurface | AbandonedStatus date: 03/21/1985 | Gilpatrick Construction Company IncReported operatorRichard GilpatrickReported controller | Neither history importedView source coverage → |