| Shamrock MineKootenai, IDMSHA 1001461 | Silver OreUnderground | AbandonedStatus date: 10/01/1983 | ShamrockReported operatorBrown Lester C-George H Brown-Ed RygaardReported controller | Neither history importedView source coverage → |
| SHANE KAUFMAN CONSTTeton, IDMSHA 1001982 | Construction Sand and GravelSurface | AbandonedStatus date: 08/20/2001 | Shane Kaufman ConstructionReported operatorShane KaufmanReported controller | Safety recordsView source coverage → |
| Shane Kaufman PitTeton, IDNear DriggsMSHA 1002059 | Construction Sand and GravelSurface | AbandonedStatus date: 07/23/2007 | Shane KaufmanReported operatorShane KaufmanReported controller | Production / employmentSafety recordsView source coverage → |
| Sheep Mountain QuarryClearwater, IDMSHA 1001313 | Crushed, Broken TraprockSurface | AbandonedStatus date: 01/15/1981 | U S Forest ServiceReported operatorUnited States GovernmentReported controller | Neither history importedView source coverage → |
| Sherwin BarIdaho, IDMSHA 1001557 | Gold OreSurface | AbandonedStatus date: 05/22/1984 | Mining Specialties & Equipment IncReported operatorAagard David TReported controller | Neither history importedView source coverage → |
| Shoshone Silver MineBonner, IDMSHA 1001453 | Lead-Zinc OreUnderground | AbandonedStatus date: 11/05/1991 | Shoshone Silver Mining CompanyReported operatorCarol StephanReported controller | Neither history importedView source coverage → |
| Siepert's CrushingFremont, IDNear St. AnthonyMSHA 1001870 | Construction Sand and GravelSurface | AbandonedStatus date: 11/01/2021 | Siepert Crushing, Inc.Reported operatorKevin Siepert; Milo SiepertReported controller | Production / employmentSafety recordsView source coverage → |
| Sill MineCuster, IDMSHA 1001314 | Lead-Zinc OreUnderground | AbandonedStatus date: 09/06/1978 | Leroy Davis Leonard Fisher PartnersReported operatorLeroy Davis Leonard Fisher PartnersReported controller | Neither history importedView source coverage → |
| Silocon International OreCaribou, IDNear Soda SpringsMSHA 1002017 | Crushed, Broken QuartziteFacility | AbandonedStatus date: 08/21/2008 | Silicon International Ore LLCReported operatorRobert E H SullivanReported controller | Production / employmentSafety recordsView source coverage → |
| Silver Bar MineBoise, IDMSHA 1001391 | Silver OreUnderground | AbandonedStatus date: 08/12/1987 | Paychute Enterprises TrustReported operatorHarris Loyd & Donald K DespainReported controller | Neither history importedView source coverage → |
| Silver Burg MineOwyhee, IDMSHA 1001342 | Gold OreSurface | AbandonedStatus date: 02/26/1979 | Big Buzz Mining & Development IncReported operatorBig Buzz Mining & Development IncReported controller | Neither history importedView source coverage → |
| Silver Butte Mining Company IncorporatedBonner, IDMSHA 1000138 | Silver OreUnderground | AbandonedStatus date: 06/13/1984 | Silver Butte Mining Company IncReported operatorHohman Cliff CReported controller | Neither history importedView source coverage → |
| Silver CrystalShoshone, IDMSHA 1000198 | Silver OreUnderground | AbandonedStatus date: 12/19/1983 | Silver Crystal IncReported operatorSilver Crystal IncReported controller | Neither history importedView source coverage → |
| Silver Dollar MineShoshone, IDMSHA 1001247 | Lead-Zinc OreUnderground | AbandonedStatus date: 11/26/1979 | Hecla Mining CompanyReported operatorHecla Mining CompanyReported controller | Neither history importedView source coverage → |
| Silver Eagle MineIdaho, IDMSHA 1001582 | Gold OreUnderground | AbandonedStatus date: 10/01/1983 | Silver Eagle Mining CompanyReported operatorMcdowell George & Frank GaleyReported controller | Neither history importedView source coverage → |
| Silver Empire MineBlaine, IDMSHA 1000432 | Silver OreUnderground | AbandonedStatus date: 11/05/1979 | Earl Waite & SonsReported operatorEarl Nichols WaiteReported controller | Neither history importedView source coverage → |
| Silver Moon MineLemhi, IDMSHA 1000416 | Silver OreUnderground | AbandonedStatus date: 01/13/1982 | R D Minerals CompanyReported operatorDelany Robert & DonReported controller | Neither history importedView source coverage → |
| Silver RockOwyhee, IDMSHA 1001471 | Silver OreUnderground | AbandonedStatus date: 08/05/1980 | A I M IncReported operatorA I M IncReported controller | Neither history importedView source coverage → |
| Silver ShaftShoshone, IDMSHA 1001450 | Silver OreUnderground | AbandonedStatus date: 08/18/1980 | J S Redpath CorpReported operatorDeilmann-HanielReported controller | Neither history importedView source coverage → |
| Silver Star MineLemhi, IDMSHA 1001019 | Gold OreSurface | AbandonedStatus date: 09/06/1978 | Boyle Creek Mining IncReported operatorBoyle Creek Mining IncReported controller | Neither history importedView source coverage → |
| Silver Still Gypsum MineWashington, IDMSHA 1001801 | GypsumSurface | AbandonedStatus date: 06/26/1992 | Silver Still GypsumReported operatorMartin John B TrustReported controller | Neither history importedView source coverage → |
| Silver Strand MineKootenai, IDNear KelloggMSHA 1001354 | Silver OreUnderground | AbandonedStatus date: 10/01/2022 | Silver Hammer Mining CorporationReported operatorJohnson ArthurReported controller | Safety recordsView source coverage → |
| Silver Strand MineKootenai, IDNear Coeur d'AleneMSHA 1002094 | Gold OreUnderground | AbandonedStatus date: 10/17/2006 | New Jersey Mining CompanyReported operatorGrant A BrackebuschReported controller | Neither history importedView source coverage → |
| Silver Strand MineKootenai, IDNear Coeur d'AleneMSHA 1002118 | Gold OreUnderground | AbandonedStatus date: 09/15/2008 | New Jersey Mining Co.Reported operatorGrant A BrackebuschReported controller | Production / employmentSafety recordsView source coverage → |
| Silver Strike MineBlaine, IDMSHA 1001517 | Silver OreUnderground | AbandonedStatus date: 06/07/1982 | Silver Strike Mining CompanyReported operatorFitz Roy T-John R ThorntonReported controller | Neither history importedView source coverage → |
| Silverton ProjectShoshone, IDMSHA 1001701 | Silver OreUnderground | AbandonedStatus date: 03/01/1986 | Callahan Mining CorpReported operatorSnead Charles D JrReported controller | Neither history importedView source coverage → |
| Sinker Tunnel Mine SiteOwyhee, IDNear Silver CityMSHA 1002233 | Gold OreUnderground | AbandonedStatus date: 01/29/2014 | Owyhee Noble Metals LLCReported operatorBill EarllReported controller | Production / employmentSafety recordsView source coverage → |
| Six Mile MineIdaho, IDMSHA 1001310 | Gold OreUnderground | AbandonedStatus date: 12/20/1983 | Lawrence LemireReported operatorLawrence LemireReported controller | Neither history importedView source coverage → |
| Skipper MineValley, IDMSHA 1001583 | Tungsten OreUnderground | AbandonedStatus date: 08/30/1983 | Skipper Mine CompanyReported operatorPearson Jess AReported controller | Neither history importedView source coverage → |
| Slaughter Creek Placer MineIdaho, IDMSHA 1001621 | Gold OreSurface | AbandonedStatus date: 10/02/1984 | Silver King LtdReported operatorHudson Henry M-W W HuntReported controller | Neither history importedView source coverage → |