| Big Dreamer Mine And MillMadera, CAMSHA 0402527 | Tungsten OreSurface | AbandonedStatus date: 10/23/1980 | Big Dreamer Mining CompanyReported operatorBig Dreamer Mining CompanyReported controller | Neither history importedView source coverage → |
| Big DykeKern, CAMSHA 0405079 | Gold OreSurface | AbandonedStatus date: 12/03/1990 | Cascade ExplorationReported operatorWalters GordonReported controller | Neither history importedView source coverage → |
| Big Four MiningKern, CAMSHA 0404648 | Silver OreUnderground | AbandonedStatus date: 06/26/1985 | Big Four Mining CompanyReported operatorYow William P Jr & Jack KleinpeterReported controller | Neither history importedView source coverage → |
| BIG GUN MININGPlacer, CAMSHA 0400297 | Dimension Stone NECSurface | AbandonedStatus date: 04/12/2001 | Big Gun MiningReported operatorDarron EppersonReported controller | Production / employmentSafety recordsView source coverage → |
| Big HornLos Angeles, CAMSHA 0404735 | Gold OreSurface | AbandonedStatus date: 05/21/1985 | A T G CompanyReported operatorSkinner GeneReported controller | Neither history importedView source coverage → |
| Big Horn MineSan Bernardino, CAMSHA 0404482 | Gold OreUnderground | AbandonedStatus date: 03/17/1992 | Siskon Gold CorpReported operatorCenturion Gold Ltd & U S Precious Metals IncReported controller | Neither history importedView source coverage → |
| Big MamaSiskiyou, CAMSHA 0404603 | Gold OreSurface | AbandonedStatus date: 07/24/1985 | Mc Broom & QuigleyReported operatorMc Broom Henry CReported controller | Neither history importedView source coverage → |
| Big River Rock CoMendocino, CANear FORT BRAGGMSHA 0402775 | Construction Sand and GravelSurface | AbandonedStatus date: 08/20/2018 | Big River Rock CoReported operatorSean Pyorre; Melvin Pyorre; Patricia PyorreReported controller | Production / employmentSafety recordsView source coverage → |
| BIG RIVER ROCK CO.Mendocino, CAMSHA 0405272 | Crushed, Broken Stone NECSurface | Abandoned and SealedStatus date: 10/25/2002 | Big River Rock CompanyReported operatorPatricia Pyorre; Melvin PyorreReported controller | Production / employmentSafety recordsView source coverage → |
| Big Rock CreekLos Angeles, CANear Pear BlossomMSHA 0405778 | Construction Sand and GravelSurface | AbandonedStatus date: 07/14/2020 | CalMat CoReported operatorVulcan Materials CompanyReported controller | Production / employmentSafety recordsView source coverage → |
| Big Rock Creek PlantLos Angeles, CAMSHA 0404042 | Construction Sand and GravelSurface | AbandonedStatus date: 10/23/1979 | Premier Rock Div Of Ca Portland CemReported operatorPremier Rock Div Of Ca Portland CemReported controller | Neither history importedView source coverage → |
| Big Rock Creek QuarryKern, CANear MOJAVEMSHA 0405212 | Construction Sand and GravelSurface | AbandonedStatus date: 11/08/2007 | Granite Construction CompanyReported operatorGranite Construction IncReported controller | Production / employmentSafety recordsView source coverage → |
| Bihlman Butte RockSutter, CANear LIVE OAKMSHA 0403955 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 10/01/2015 | Bihlman Butte RockReported operatorSusan BihlmanReported controller | Production / employmentSafety recordsView source coverage → |
| Billie MineInyo, CANear Furnace CreekMSHA 0404218 | Misc. Metal Ore NECUnderground | AbandonedStatus date: 11/29/2007 | American Borate CompanyReported operatorRoscorp Inc; American Borate CorpReported controller | Production / employmentSafety recordsView source coverage → |
| Bio GypRiverside, CANear BlytheMSHA 0405763 | GypsumFacility | AbandonedStatus date: 11/05/2013 | Bio Gyp LLCReported operatorMike A GalamReported controller | Production / employmentSafety recordsView source coverage → |
| Bishop MillInyo, CAMSHA 0404626 | Gold OreFacility | AbandonedStatus date: 08/29/1989 | 0877887 BC LTDReported operatorCMC Metals LtdReported controller | Neither history importedView source coverage → |
| Bissell MagnesiteKern, CAMSHA 0404388 | Common Clays NECSurface | AbandonedStatus date: 10/09/1990 | California Portland Cement CompanyReported operatorCalmat CompanyReported controller | Neither history importedView source coverage → |
| Bitterwater QuarrySan Benito, CAMSHA 0404961 | GypsumSurface | AbandonedStatus date: 07/27/1990 | Parsons Ag MineralsReported operatorParsons Ag MineralsReported controller | Neither history importedView source coverage → |
| B J MineInyo, CANear TronaMSHA 0405091 | Gold OreSurface | AbandonedStatus date: 12/26/1990 | B J V CorpReported operatorBosley JackReported controller | Neither history importedView source coverage → |
| Black AngelSan Bernardino, CANear BarstowMSHA 0405650 | Construction Sand and GravelSurface | AbandonedStatus date: 01/04/2016 | Empire Rock IncReported operatorStan HouckReported controller | Production / employmentSafety recordsView source coverage → |
| Blackburn DamKern, CAMSHA 0405073 | Construction Sand and GravelSurface | AbandonedStatus date: 02/10/1990 | Earl Williams & SonsReported operatorWilliams David MarcusReported controller | Neither history importedView source coverage → |
| Black Butte CindersShasta, CANear ShingletownMSHA 0405596 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 06/30/2025 | Black Butte CindersReported operatorLorri Ann HacklerReported controller | Production / employmentSafety recordsView source coverage → |
| Blackhawk MineSan Bernardino, CAMSHA 0404972 | Gold OreSurface | AbandonedStatus date: 04/26/1990 | Sante Fe Gold Mines IncReported operatorQuinn A RichardReported controller | Neither history importedView source coverage → |
| Black Rock MineMono, CAMSHA 0404239 | Tungsten OreUnderground | AbandonedStatus date: 05/22/1979 | Koppen Mining Construction CorpReported operatorKoppen Eckhardt MReported controller | Neither history importedView source coverage → |
| Blacksprings Clay PitInyo, CAMSHA 0405059 | Common Clays NECSurface | AbandonedStatus date: 12/10/1991 | Blacksprings Clay CompanyReported operatorDodge William & Carl MedfordReported controller | Neither history importedView source coverage → |
| Blackstone MineCalaveras, CAMSHA 0404064 | Gold OreUnderground | AbandonedStatus date: 02/02/1978 | Richard Chilson OwnerReported operatorRichard Chilson OwnerReported controller | Neither history importedView source coverage → |
| Blackstone MineAmador, CAMSHA 0404488 | Gold OreUnderground | AbandonedStatus date: 02/23/1988 | U S Gold Mines IncReported operatorU S Gold Mines IncReported controller | Neither history importedView source coverage → |
| Blackstone Pit & MillMadera, CANear maderaMSHA 0401966 | Construction Sand and GravelSurface | AbandonedStatus date: 02/29/2004 | Calaveras Materials IncReported operatorMartin Marietta Materials IncReported controller | Production / employmentSafety recordsView source coverage → |
| Blanchard Portable 1Alpine, CAMSHA 0405101 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 09/11/1991 | Barry Blanchard IncReported operatorBlanchard BarryReported controller | Neither history importedView source coverage → |
| Blazing Star MillCalaveras, CAMSHA 0404242 | Gold OreFacility | AbandonedStatus date: 10/29/1987 | Gold Rock Industries LtdReported operatorLee ClarrieReported controller | Neither history importedView source coverage → |