| KPI/JCI P181944Power, IDNear PocatelloMSHA 1002183 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 04/01/2025 | SunrocReported operatorCCI (Clyde Companies Inc)Reported controller | Production / employmentSafety recordsView source coverage → |
| Kt-110-SKootenai, IDMSHA 1001353 | Construction Sand and GravelSurface | AbandonedStatus date: 11/06/1979 | Grant Construction CompanyReported operatorGrant JayReported controller | Neither history importedView source coverage → |
| Kuna PitAda, IDMSHA 1000890 | Construction Sand and GravelSurface | AbandonedStatus date: 11/22/1978 | Ada County Highway DistrictReported operatorAda County-IdReported controller | Neither history importedView source coverage → |
| Lacey Rock & GravelGem, IDNear CambridgeMSHA 1002062 | Construction Sand and GravelSurface | AbandonedStatus date: 09/10/2024 | Lacey Rock & GravelReported operatorArthur James LaceyReported controller | Production / employmentSafety recordsView source coverage → |
| Lake Fork County PitValley, IDMSHA 1001400 | Construction Sand and GravelSurface | AbandonedStatus date: 01/01/1980 | Rambo Crushing CompanyReported operatorTimothy B RamboReported controller | Neither history importedView source coverage → |
| Lake Fork PitValley, IDNear McCallMSHA 1002098 | Construction Sand and GravelSurface | AbandonedStatus date: 08/11/2009 | Clearwater Concrete IncReported operatorJeanne M (Seubert) McDonoughReported controller | Production / employmentSafety recordsView source coverage → |
| Lake Highway Pit ShopKootenai, IDMSHA 1000922 | Construction Sand and GravelSurface | AbandonedStatus date: 10/01/1982 | Lakes Highway DistrictReported operatorLakes Highway DistrictReported controller | Neither history importedView source coverage → |
| Lane PitKootenai, IDMSHA 1000928 | Construction Sand and GravelSurface | AbandonedStatus date: 11/06/1979 | East Side Highway DistrictReported operatorEast Side Highway DistrictReported controller | Neither history importedView source coverage → |
| Lanes CreekCaribou, IDMSHA 1001830 | Phosphate RockSurface | AbandonedStatus date: 07/14/1989 | Conda Mining IncReported operatorWashington Group International IncReported controller | Neither history importedView source coverage → |
| Lanes Creek MineCaribou, IDMSHA 1001361 | Phosphate RockSurface | AbandonedStatus date: 07/14/1989 | Alumet CompanyReported operatorNational Intergroup Inc & Southwire CompanyReported controller | Neither history importedView source coverage → |
| Lead HillLemhi, IDMSHA 1001040 | Lead-Zinc OreSurface | AbandonedStatus date: 09/06/1978 | Monida Nuclear Fuel & Silver MineReported operatorMonida Nuclear Fuel & Silver MineReported controller | Neither history importedView source coverage → |
| Lewiston Hill Quarry 102Nez Perce, IDMSHA 1001484 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 10/01/1982 | Nez Perce County Road Bridge DepartmentReported operatorNez Perce CountyReported controller | Neither history importedView source coverage → |
| Limbaugh PortablePayette, IDNear FruitlandMSHA 1002136 | Construction Sand and GravelSurface | AbandonedStatus date: 08/30/2011 | Limbaugh Sand & Gravel IncReported operatorJohn L LimbaughReported controller | Production / employmentSafety recordsView source coverage → |
| LIME MT. QUARRYIdaho, IDMSHA 1001725 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 05/01/2000 | Idaho LimeReported operatorEvan Hall; Margaret Hall; Vern W Hall; Ida L HallReported controller | Production / employmentView source coverage → |
| Lincoln County PitLincoln, IDMSHA 1001303 | Construction Sand and GravelSurface | AbandonedStatus date: 11/07/1979 | Twin Falls Construction Company IncReported operatorDuane S SchrankReported controller | Neither history importedView source coverage → |
| Lish PitBannock, IDNear Lava Hot SpringsMSHA 1002246 | Construction Sand and GravelSurface | AbandonedStatus date: 04/10/2023 | KT Sand & Gravel, llcReported operatorKit H TillotsonReported controller | Production / employmentSafety recordsView source coverage → |
| Little Mallard Creek PlacerIdaho, IDMSHA 1001628 | Gold OreSurface | AbandonedStatus date: 08/26/1985 | Black Sands Mining CompanyReported operatorJones MarkReported controller | Neither history importedView source coverage → |
| Little Moose MineIdaho, IDMSHA 1000678 | Gold OreUnderground | AbandonedStatus date: 06/16/1982 | Little Moose ConsolidatedReported operatorLittle Moose ConsolidatedReported controller | Neither history importedView source coverage → |
| LJ PlantTwin Falls, IDNear HollisterMSHA 1002038 | Construction Sand and GravelSurface | AbandonedStatus date: 07/17/2012 | Tri-C IncReported operatorRonald G ClarkReported controller | Production / employmentSafety recordsView source coverage → |
| Llorain Lode #1Idaho, IDMSHA 1000976 | Gold OreSurface | AbandonedStatus date: 05/03/1985 | Micro Gold #2 PartnershipReported operatorGray George & DaveReported controller | Neither history importedView source coverage → |
| L & M PortableCaribou, IDNear GraceMSHA 1002309 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 10/21/2019 | L & M Farm Industries IncReported operatorLaef WallinReported controller | Neither history importedView source coverage → |
| Lolo PlacerClearwater, IDMSHA 1001463 | Gold OreSurface | AbandonedStatus date: 03/28/1986 | Lucky Seven Mining CorpReported operatorCollette WilliamReported controller | Neither history importedView source coverage → |
| Lone PineIdaho, IDMSHA 1001421 | Gold OreUnderground | AbandonedStatus date: 08/31/1983 | Lone PineReported operatorLowry Robert RReported controller | Neither history importedView source coverage → |
| Lone Pine MineIdaho, IDMSHA 1001351 | Gold OreUnderground | AbandonedStatus date: 09/08/1983 | Global Development Corporation InternationalReported operatorStanislaw StrzeleckiReported controller | Neither history importedView source coverage → |
| Longhair Mine No 1Gem, IDMSHA 1001319 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 08/12/1980 | Joe VaitkevickReported operatorVaitkevick JoeReported controller | Neither history importedView source coverage → |
| Longhair Mine No 2Gem, IDMSHA 1001320 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 08/12/1980 | Joe VaitkevickReported operatorVaitkevick JoeReported controller | Neither history importedView source coverage → |
| Lost CabinShoshone, IDMSHA 1001334 | Lead-Zinc OreUnderground | AbandonedStatus date: 08/09/1982 | Silver Baron Mining CompanyReported operatorLyons GordonReported controller | Neither history importedView source coverage → |
| Lost IrishmanIdaho, IDMSHA 1001526 | Gold OreUnderground | AbandonedStatus date: 06/03/1985 | Lost Irishman Mining CompanyReported operatorBunnell Terrie & C L Mc LaughlinReported controller | Neither history importedView source coverage → |
| Lost Lake MineAdams, IDMSHA 1001472 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 08/01/1980 | C G Donoho & Son Construction CompanyReported operatorJerry L DonohoReported controller | Neither history importedView source coverage → |
| Lost MindBoise, IDNear CentervilleMSHA 1002224 | Gold OreSurface | AbandonedStatus date: 06/05/2013 | Redneck Mining AssociatesReported operatorGary R Hileman Jr; Rodney BooneReported controller | Neither history importedView source coverage → |