| Smelterville Rock QuarryShoshone, IDMSHA 1001193 | Crushed, Broken TraprockSurface | AbandonedStatus date: 11/26/1979 | Zanetti Brothers IncReported operatorWilliam ZanettiReported controller | Neither history importedView source coverage → |
| Smith Portable CrushingCaribou, IDNear Soda SpringsMSHA 1002225 | Construction Sand and GravelSurface | AbandonedStatus date: 10/21/2019 | Bryant Smith ProjectsReported operatorBryant C Smith; Donna J SmithReported controller | Production / employmentSafety recordsView source coverage → |
| Smith Sand & Gravel PitGooding, IDMSHA 1000745 | Construction Sand and GravelSurface | AbandonedStatus date: 11/07/1979 | M C Smith OwnerReported operatorM C Smith OwnerReported controller | Neither history importedView source coverage → |
| Snake MountainElmore, IDMSHA 1001727 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 11/01/1991 | Lava Flow Products IncReported operatorAstles GaleReported controller | Neither history importedView source coverage → |
| Snake River Sand & Gravel PitGooding, IDMSHA 1001465 | Construction Sand and GravelSurface | AbandonedStatus date: 02/05/1987 | Snake River Sand & Gravel IncReported operatorSnake River Sand & Gravel IncReported controller | Neither history importedView source coverage → |
| Snoose MineBlaine, IDMSHA 1001613 | Silver OreUnderground | AbandonedStatus date: 09/02/1983 | Cinch Mining PartnershipReported operatorCinch Mining PartnershipReported controller | Neither history importedView source coverage → |
| Snow Creek PitBonner, IDMSHA 1001478 | Construction Sand and GravelSurface | AbandonedStatus date: 06/01/1981 | B & N Construction IncReported operatorArthur R BrandReported controller | Neither history importedView source coverage → |
| Snowstorm #3Shoshone, IDMSHA 1001835 | Silver OreUnderground | AbandonedStatus date: 12/18/1989 | Hecla Mining CompanyReported operatorHecla Mining CompanyReported controller | Neither history importedView source coverage → |
| Snowstorm MineIdaho, IDMSHA 1001600 | Gold OreUnderground | AbandonedStatus date: 07/28/1983 | Art PetersonReported operatorArt PetersonReported controller | Neither history importedView source coverage → |
| Snow Storm ProjectShoshone, IDMSHA 1001591 | Silver OreUnderground | AbandonedStatus date: 10/14/1982 | Hecla Mining CompanyReported operatorHecla Mining CompanyReported controller | Neither history importedView source coverage → |
| Snow WhiteBonneville, IDNear Idaho FallsMSHA 1002168 | Dimension Stone NECSurface | AbandonedStatus date: 10/01/2010 | Rocky Mountain TravertineReported operatorEd CheffReported controller | Production / employmentSafety recordsView source coverage → |
| Soda Creek PlacerOwyhee, IDMSHA 1001797 | Gold OreSurface | AbandonedStatus date: 08/25/1988 | Omega Mining IncReported operatorOmega Mining IncReported controller | Neither history importedView source coverage → |
| Soda PitCaribou, IDMSHA 1000964 | Construction Sand and GravelSurface | AbandonedStatus date: 11/22/1978 | Caribou County Road DeptReported operatorCaribou County Road DeptReported controller | Neither history importedView source coverage → |
| Solesberg PitIdaho, IDMSHA 1001280 | Crushed, Broken TraprockSurface | AbandonedStatus date: 01/04/1980 | John SolbergReported operatorJohn SolbergReported controller | Neither history importedView source coverage → |
| Soulen Pit And PlantValley, IDMSHA 1000878 | Construction Sand and GravelSurface | AbandonedStatus date: 06/03/1980 | Rowland BrosReported operatorRowland BrosReported controller | Neither history importedView source coverage → |
| South Fork MineIdaho, IDMSHA 1001434 | Gold OreUnderground | AbandonedStatus date: 08/13/1981 | Clearwater Mining CorpReported operatorBowen BradReported controller | Neither history importedView source coverage → |
| SOUTH FORK PITTwin Falls, IDMSHA 1001922 | Construction Sand and GravelSurface | AbandonedStatus date: 03/01/2001 | O-K Paving IncReported operatorRick R OlanderReported controller | Production / employmentView source coverage → |
| South Mountain MineOwyhee, IDNear jordan valleyMSHA 1000866 | Silver OreUnderground | AbandonedStatus date: 03/19/2024 | Thunder Mountain Resources, Inc./Owyhee Gold TrustReported operatorThunder Mountain Gold IncReported controller | Production / employmentSafety recordsView source coverage → |
| Spalding PitNez Perce, IDMSHA 1001412 | Construction Sand and GravelSurface | AbandonedStatus date: 01/09/1980 | Murphy Brothers IncReported operatorW O MurphyReported controller | Neither history importedView source coverage → |
| Spalding PitNez Perce, IDMSHA 1001449 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 04/21/1981 | Nez Perce County Road Bridge DepartmentReported operatorNez Perce CountyReported controller | Neither history importedView source coverage → |
| Spare Time MineIdaho, IDMSHA 1001324 | Silver OreUnderground | AbandonedStatus date: 08/04/1981 | Spare Time Mining CoReported operatorSpare Time Mining CoReported controller | Neither history importedView source coverage → |
| Specialty ScreenBenewah, IDNear St. MariesMSHA 1002244 | Construction Sand and GravelSurface | AbandonedStatus date: 07/22/2016 | Specialty ExcavatingReported operatorSamuel G BadgettReported controller | Production / employmentSafety recordsView source coverage → |
| Specimen MineBoise, IDMSHA 1001847 | Gold OreSurface | AbandonedStatus date: 07/18/1990 | United States Antimony CorpReported operatorState Street CorporationReported controller | Neither history importedView source coverage → |
| SPENCER OPAL MINESClark, IDNear SpencerMSHA 1000565 | GemstonesSurface | AbandonedStatus date: 09/27/2017 | Spencer Opal MinesReported operatorClaudia CoutureReported controller | Production / employmentSafety recordsView source coverage → |
| Spring CreekGem, IDNear EmmettMSHA 1002362 | Crushed, Broken GraniteSurface | AbandonedStatus date: 01/30/2025 | CMCIReported operatorTerry M Frost Irrevocable TrustReported controller | Neither history importedView source coverage → |
| Springston Rock QuarryKootenai, IDMSHA 1001073 | Dimension TraprockSurface | AbandonedStatus date: 11/06/1979 | Union Pacific RailroadReported operatorUnion Pacific RailroadReported controller | Neither history importedView source coverage → |
| Squaw Valley PitBonner, IDMSHA 1001477 | Construction Sand and GravelSurface | AbandonedStatus date: 12/01/1980 | B & N Construction IncReported operatorArthur R BrandReported controller | Neither history importedView source coverage → |
| Star MineShoshone, IDNear KelloggMSHA 1000086 | Lead-Zinc OreUnderground | AbandonedStatus date: 07/08/2013 | Hecla Silver Valley, Inc.Reported operatorHecla Mining CompanyReported controller | Production / employmentSafety recordsView source coverage → |
| Star-Morning MineShoshone, IDMSHA 1000189 | Common Clays NECUnderground | AbandonedStatus date: 05/29/1986 | Star-Morning Mining CompanyReported operatorJames StrikerReported controller | Neither history importedView source coverage → |
| Star PitCanyon, IDNear StarMSHA 1001720 | Construction Sand and GravelSurface | AbandonedStatus date: 10/11/2017 | Sunroc CorporationReported operatorCCI (Clyde Companies Inc)Reported controller | Production / employmentSafety recordsView source coverage → |