| Stringtown MillLake, COMSHA 0502267 | Gold OreFacility | AbandonedStatus date: 06/24/1990 | Leadville CorpReported operatorRisk RobertReported controller | Neither history importedView source coverage → |
| StrohElbert, COMSHA 0503316 | Construction Sand and GravelSurface | AbandonedStatus date: 08/27/1979 | Colorado Department Of HighwaysReported operatorState Of ColoradoReported controller | Neither history importedView source coverage → |
| Stroh Gravel MineWeld, COMSHA 0504227 | Construction Sand and GravelSurface | AbandonedStatus date: 08/01/1990 | John StrohReported operatorStroh JohnReported controller | Neither history importedView source coverage → |
| StromquistWeld, COMSHA 0503933 | Construction Sand and GravelSurface | AbandonedStatus date: 09/05/1991 | Western Mobile IncReported operatorRedland PlcReported controller | Neither history importedView source coverage → |
| Strong MineTeller, COMSHA 0502392 | Gold OreUnderground | AbandonedStatus date: 05/05/1986 | Mineral EnterprisesReported operatorMineral EnterprisesReported controller | Neither history importedView source coverage → |
| Strong PitAdams, COMSHA 0503094 | Construction Sand and GravelSurface | AbandonedStatus date: 10/29/1979 | Strong Bros Excavating IncReported operatorStrong Bros Excavating IncReported controller | Neither history importedView source coverage → |
| Stump MineBoulder, COMSHA 0502230 | Silver OreUnderground | AbandonedStatus date: 05/04/1981 | Wayne WilliamsReported operatorWayne WilliamsReported controller | Neither history importedView source coverage → |
| Sultan Mountain MillSan Juan, COMSHA 0503726 | Silver OreFacility | AbandonedStatus date: 10/31/1990 | Sultan Mountain MineReported operatorP & G Mining Inc & InarReported controller | Neither history importedView source coverage → |
| Sultan Mountain MineSan Juan, COMSHA 0503740 | Gold OreUnderground | AbandonedStatus date: 01/27/1989 | Sultan Mountain MineReported operatorP & G Mining Inc & InarReported controller | Neither history importedView source coverage → |
| Summit-Black JackSan Miguel, COMSHA 0503546 | Uranium-Vanadium OreUnderground | AbandonedStatus date: 03/29/1990 | Jim C ButtReported operatorButt Jim CReported controller | Neither history importedView source coverage → |
| SUMMIT CLAY PITSPueblo, COMSHA 0503926 | Common Clays NECSurface | AbandonedStatus date: 09/14/2001 | Summit Pressed Brick & Tile CompanyReported operatorJoseph C WelteReported controller | Production / employmentSafety recordsView source coverage → |
| SUMMIT CLAY PITS - L.C.I. Inc.Fremont, CONear PenroseMSHA 0504710 | Fire ClaySurface | AbandonedStatus date: 08/31/2018 | L.C.I.Reported operatorMichael Jon VandenburgReported controller | Production / employmentSafety recordsView source coverage → |
| Summit Pressed Brick PuebloPueblo, COMSHA 0500309 | Fire ClayFacility | AbandonedStatus date: 05/21/1982 | Summit Pressed Brick & Tile CompanyReported operatorJoseph C WelteReported controller | Neither history importedView source coverage → |
| Summit Pressed Brick & Tile MillLas Animas, COMSHA 0502756 | Fire ClayFacility | AbandonedStatus date: 05/21/1982 | Summit Pressed Brick & Tile CompanyReported operatorJoseph C WelteReported controller | Neither history importedView source coverage → |
| Summitville MineRio Grande, COMSHA 0503684 | Gold OreSurface | AbandonedStatus date: 12/03/1984 | Summitville Consolidated Mining Company IncReported operatorGalactic Resources LtdReported controller | Neither history importedView source coverage → |
| Summitville MineRio Grande, COMSHA 0503998 | Gold OreSurface | AbandonedStatus date: 05/13/1993 | Summitville Consolidated Mining Company IncReported operatorGalactic Resources LtdReported controller | Neither history importedView source coverage → |
| SunbeamMontrose, COMSHA 0501065 | Uranium-Vanadium OreUnderground | AbandonedStatus date: 12/02/1988 | Blue Rock Energy CorpReported operatorBlue Rock Resources LtdReported controller | Neither history importedView source coverage → |
| Sun CupSan Miguel, COMSHA 0501679 | Uranium-Vanadium OreUnderground | AbandonedStatus date: 04/23/1985 | Minerals Recovery CorpReported operatorNewman EricReported controller | Neither history importedView source coverage → |
| Sun Dog MineClear Creek, COMSHA 0502935 | Silver OreUnderground | AbandonedStatus date: 07/03/1985 | Sun Dog Mining CompanyReported operatorSun Dog Mining CompanyReported controller | Neither history importedView source coverage → |
| SunlightGarfield, CONear Glenwood SpringsMSHA 0500256 | Coal (Bituminous)Underground | Abandoned and SealedStatus date: 09/30/1982 | Black Rock Mining Company IncReported operatorEnergy Capital Development CorpReported controller | Neither history importedView source coverage → |
| Sunlight RefuseGarfield, CONear Glenwood SpringsMSHA 0503636 | Coal (Bituminous)Facility | AbandonedStatus date: 08/01/1981 | Mountain States Machinery & Supply IncReported operatorHarmond George MReported controller | Neither history importedView source coverage → |
| Sun MineRoutt, CONear Steamboat SpringsMSHA 0502659 | Coal (Bituminous)Underground | Abandoned and SealedStatus date: 05/01/1984 | Ruby Construction Company IncReported operatorField Jim MReported controller | Neither history importedView source coverage → |
| Sunnyside Mine/Mayflower MillSan Juan, COMSHA 0500417 | Gold OreUnderground | AbandonedStatus date: 09/15/1993 | Sunnyside Gold CorpReported operatorEcho Bay Mines LtdReported controller | Neither history importedView source coverage → |
| Sunnyside PitLa Plata, COMSHA 0504249 | Construction Sand and GravelSurface | AbandonedStatus date: 09/23/1991 | Sunnyside Gravel & ExcavationReported operatorHess AltonReported controller | Neither history importedView source coverage → |
| Sunrise No 5Montrose, COMSHA 0503424 | Uranium-Vanadium OreUnderground | AbandonedStatus date: 09/13/1979 | Summit Canyon Resources IncReported operatorSummit Canyon Resources IncReported controller | Neither history importedView source coverage → |
| Sunspot MineMesa, COMSHA 0501628 | Uranium OreUnderground | AbandonedStatus date: 02/02/1981 | Taminco IncReported operatorTaylor RobertReported controller | Neither history importedView source coverage → |
| Sutton RanchLincoln, COMSHA 0503324 | Construction Sand and GravelSurface | AbandonedStatus date: 08/27/1979 | Colorado Department Of HighwaysReported operatorState Of ColoradoReported controller | Neither history importedView source coverage → |
| SwartzLarimer, COMSHA 0501997 | Construction Sand and GravelSurface | AbandonedStatus date: 05/09/1988 | Flatiron Paving CompanyReported operatorFlatiron Paving CompanyReported controller | Neither history importedView source coverage → |
| SWEETHOMEPark, CONear GoldenMSHA 0503062 | GemstonesUnderground | AbandonedStatus date: 11/01/2004 | Colorado Calumet Company IncReported operatorBryan K LeesReported controller | Production / employmentSafety recordsView source coverage → |
| SylvaniteGunnison, COMSHA 0503987 | Silver OreUnderground | AbandonedStatus date: 03/21/1986 | B & J CrushingReported operatorMelvin R GydesenReported controller | Neither history importedView source coverage → |