| Taft PlantKern, CAMSHA 0404337 | Construction Sand and GravelSurface | AbandonedStatus date: 12/15/1994 | General Production Service Of Ca IncReported operatorCharles E BeardReported controller | Neither history importedView source coverage → |
| Tahquitz Creek ProjectRiverside, CAMSHA 0405123 | Construction Sand and GravelSurface | AbandonedStatus date: 02/04/1991 | E L Yeager Construction Company IncReported operatorSkanska ABReported controller | Neither history importedView source coverage → |
| TALC-OMEGA MINESan Bernardino, CAMSHA 0405352 | TalcSurface | AbandonedStatus date: 07/26/2001 | Protech Minerals, LLCReported operatorPressed Down, Inc; Terry SuzukiReported controller | Production / employmentSafety recordsView source coverage → |
| Tangle BlueTrinity, CAMSHA 0404755 | Gold OreUnderground | AbandonedStatus date: 03/18/1986 | Jefferson State Exploration & Development CoReported operatorAloisi FredReported controller | Neither history importedView source coverage → |
| Tapo Oyster ShellVentura, CAMSHA 0403763 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 01/06/1987 | Tapo Oyster ShellReported operatorWilliam C BrooksReported controller | Neither history importedView source coverage → |
| Taylors Pit And MillMadera, CAMSHA 0401015 | PumiceSurface | AbandonedStatus date: 05/05/1983 | California Industrial Minerals CompanyReported operatorMc Conaghy John WReported controller | Neither history importedView source coverage → |
| Tecopa Plant & Mill (Beck)San Bernardino, CAMSHA 0402509 | Iron OreSurface | AbandonedStatus date: 11/10/1993 | Standard Industrial Minerals IncReported operatorRichard B HarmonReported controller | Neither history importedView source coverage → |
| Teddy Bear MineEl Dorado, CAMSHA 0404574 | Gold OreUnderground | AbandonedStatus date: 08/10/1984 | Teddy Bear Mining CompanyReported operatorGillespie Thomas AReported controller | Neither history importedView source coverage → |
| Tehachapi QuarryKern, CAMSHA 0404354 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 01/31/1991 | Calaveras Portland Cement CompanyReported operatorCimenteries Cbr CementbedrijvenReported controller | Neither history importedView source coverage → |
| Telegraph MineSierra, CAMSHA 0402969 | Gold OreUnderground | AbandonedStatus date: 05/28/1986 | Telegraph Mining Company IncReported operatorRiley JackReported controller | Neither history importedView source coverage → |
| Telegraph MineSan Bernardino, CAMSHA 0404365 | Silver OreSurface | AbandonedStatus date: 07/22/1983 | Cascade Energy & Metals CorpReported operatorWeston W DavidReported controller | Neither history importedView source coverage → |
| TELEGRAPH MINESierra, CANear DownievilleMSHA 0405100 | Gold OreUnderground | AbandonedStatus date: 06/28/2024 | Saddleback, LLCReported operatorTelegraph LLC; Amy PenningtonReported controller | Production / employmentSafety recordsView source coverage → |
| Telestack Belt TC-421RPlumas, CANear SloatMSHA 2602881 | Construction Sand and GravelSurface | AbandonedStatus date: 05/16/2023 | Joy EngineeringReported operatorRick JoyReported controller | Production / employmentSafety recordsView source coverage → |
| Temecula #2Riverside, CANear FallbrookMSHA 0405584 | Sand, CommonSurface | AbandonedStatus date: 07/11/2005 | GSIReported operatorGary IngramReported controller | Production / employmentSafety recordsView source coverage → |
| Temecula SandSan Diego, CANear TemeculaMSHA 0405705 | Sand, CommonSurface | AbandonedStatus date: 01/17/2007 | Perrault CorporationReported operatorChuck PerraultReported controller | Production / employmentView source coverage → |
| Temescal Canyon Pit & MillRiverside, CAMSHA 0403651 | Construction Sand and GravelSurface | AbandonedStatus date: 11/02/1992 | Boral Resources IncReported operatorBoral LimitedReported controller | Neither history importedView source coverage → |
| Templeton Hot PlantSan Luis Obispo, CAMSHA 0402690 | Construction Sand and GravelSurface | AbandonedStatus date: 08/05/1988 | Madonna Construction CompanyReported operatorMadonna AlexReported controller | Neither history importedView source coverage → |
| Ten Mile Second CrossingMendocino, CAMSHA 0405244 | Construction Sand and GravelSurface | AbandonedStatus date: 09/20/1995 | Baxman Gravel Company IncReported operatorSteven E BaxmanReported controller | Neither history importedView source coverage → |
| Terra Bella Quarry Tulare, CAMSHA 0405173 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 08/07/2000 | Granite Construction CompanyReported operatorGranite Construction IncReported controller | Production / employmentSafety recordsView source coverage → |
| Texas Rock PlantSan Bernardino, CANear MentoneMSHA 0405529 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 05/19/2010 | Larry Jacinto Construction IncReported operatorLarry JacintoReported controller | Production / employmentSafety recordsView source coverage → |
| The Rock PlantRiverside, CAMSHA 0404668 | Construction Sand and GravelSurface | AbandonedStatus date: 05/09/1985 | Praise The Lord Rock & SandReported operatorPraise The Lord Rock & SandReported controller | Neither history importedView source coverage → |
| The Rock Yard - TRI, Inc.San Bernardino, CAMSHA 0400035 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 09/08/2000 | The Rock Yard - TRI, Inc.Reported operatorJanet M AuxierReported controller | Safety recordsView source coverage → |
| THE STANDARD GYPSUM MINEImperial, CAMSHA 0405304 | GypsumSurface | AbandonedStatus date: 12/11/1997 | Eco SolutionsReported operatorHo Ho & R TorgersonReported controller | Neither history importedView source coverage → |
| Thompson MineInyo, CAMSHA 0402522 | Lead-Zinc OreUnderground | AbandonedStatus date: 12/01/1978 | Montecito Mining CompanyReported operatorMontecito Mining CompanyReported controller | Neither history importedView source coverage → |
| Three QueensPlacer, CAMSHA 0404478 | Gold OreUnderground | AbandonedStatus date: 07/16/1984 | Henry W MagorianReported operatorHenry W MargorianReported controller | Neither history importedView source coverage → |
| THREE QUEENS MINEPlacer, CAMSHA 0405380 | Gold OreUnderground | AbandonedStatus date: 08/01/2000 | Henry W MagorianReported operatorHenry W MargorianReported controller | Neither history importedView source coverage → |
| Thr Pit And MillTehama, CAMSHA 0401979 | Construction Sand and GravelSurface | AbandonedStatus date: 04/04/1979 | Thr CompanyReported operatorThr CompanyReported controller | Neither history importedView source coverage → |
| Tidewater Pit & MillDel Norte, CAMSHA 0404903 | Construction Sand and GravelSurface | AbandonedStatus date: 07/29/1994 | Tidewater Contractors IncReported operatorJess Fitzhugh; Dave BaldwinReported controller | Neither history importedView source coverage → |
| Tierra Tile PitImperial, CAMSHA 0404720 | Construction Sand and GravelSurface | AbandonedStatus date: 06/30/1994 | Tierra TileReported operatorHoyt AltonReported controller | Neither history importedView source coverage → |
| TIMBUCTOO MINEYuba, CAMSHA 0405348 | Construction Sand and GravelSurface | AbandonedStatus date: 08/04/2000 | Dan GarciaReported operatorDan GarciaReported controller | Production / employmentView source coverage → |