| BLM CAMC CLAIM #'S:48944THR48960Riverside, CAMSHA 0405305 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 01/10/2000 | California Calcium Carbonate IncReported operatorLee NewhouseReported controller | Neither history importedView source coverage → |
| BloomfieldSonoma, CAMSHA 0402305 | Common ShaleSurface | AbandonedStatus date: 08/09/1982 | Piombo CorpReported operatorFelix H SiriReported controller | Neither history importedView source coverage → |
| Bluebird Mine #1Trinity, CAMSHA 0404967 | Gold OreSurface | AbandonedStatus date: 03/14/1990 | Ross MiningReported operatorRoss MiningReported controller | Neither history importedView source coverage → |
| Blue Eagle Lode MineKern, CANear kernMSHA 0404787 | Gold OreUnderground | AbandonedStatus date: 04/26/2021 | Blue Eagle Lode Mining Co.Reported operatorJohn C BurtonReported controller | Production / employmentSafety recordsView source coverage → |
| BLUE LAKESierra, CAMSHA 0405297 | Gold OreSurface | AbandonedStatus date: 08/06/1998 | Tom HallisReported operatorHallis TomReported controller | Neither history importedView source coverage → |
| Blue Lake Pit And MillHumboldt, CAMSHA 0404052 | Construction Sand and GravelSurface | AbandonedStatus date: 07/20/1989 | Miller'S Backhoe & ExcavatingReported operatorRalph MillerReported controller | Neither history importedView source coverage → |
| Blue LeadButte, CAMSHA 0404769 | Construction Sand and GravelSurface | AbandonedStatus date: 09/23/1994 | Nordic Industries IncReported operatorJens KarlshoejReported controller | Neither history importedView source coverage → |
| Blue Lead Gold MineNevada, CANear Grass ValleyMSHA 0405956 | Sand, CommonSurface | AbandonedStatus date: 02/19/2025 | Operator not reportedReported operatorController not reportedReported controller | Neither history importedView source coverage → |
| Blue Lead MineNevada, CAMSHA 0403859 | Gold OreUnderground | AbandonedStatus date: 12/08/1989 | Jasper Construction Company IncReported operatorJasper Construction Company IncReported controller | Neither history importedView source coverage → |
| Blue Ledge MineEl Dorado, CAMSHA 0404283 | Gold OreUnderground | AbandonedStatus date: 03/12/1984 | Blue Ledge Mining CompanyReported operatorIgnatich Jerry & James WhitmoreReported controller | Neither history importedView source coverage → |
| Blue PlantYolo, CAMSHA 0404799 | Construction Sand and GravelSurface | AbandonedStatus date: 12/22/1993 | Teichert AggregatesReported operatorTeichert IncReported controller | Neither history importedView source coverage → |
| Blue Point MineYuba, CAMSHA 0404938 | Construction Sand and GravelSurface | AbandonedStatus date: 02/02/1994 | Micro-Gold EngineeringReported operatorGregory LewisReported controller | Neither history importedView source coverage → |
| BLUE POINT MINEYuba, CAMSHA 0405433 | Construction Sand and GravelSurface | AbandonedStatus date: 08/12/2002 | Blue Point Rock ProductsReported operatorSteve Elder; Charles VertreesReported controller | Production / employmentSafety recordsView source coverage → |
| Blue Range Placer MineSierra, CAMSHA 0404727 | Gold OreUnderground | AbandonedStatus date: 12/05/1984 | Underground Placer AssociatesReported operatorUnderground Placer AssociatesReported controller | Neither history importedView source coverage → |
| Blue Ridge QuarryMendocino, CANear HoplandMSHA 0405355 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 03/12/2025 | CalMat Co.Reported operatorVulcan Materials CompanyReported controller | Production / employmentSafety recordsView source coverage → |
| Blue RockNapa, CANear RutherfordMSHA 0405519 | Construction Sand and GravelSurface | AbandonedStatus date: 08/01/2012 | Don Wesner Inc.Reported operatorDon WesnerReported controller | Production / employmentSafety recordsView source coverage → |
| BLUE ROCK QUARRYLake, CAMSHA 0405296 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 11/30/1999 | Blue Rock QuarryReported operatorBob Ford; Rob FordReported controller | Production / employmentView source coverage → |
| BLUE ROCK QUARRY IILake, CANear Lakeport, CAMSHA 0405404 | Construction Sand and GravelSurface | AbandonedStatus date: 03/22/2004 | Blue Rock QuarryReported operatorBob Ford; Rob FordReported controller | Production / employmentSafety recordsView source coverage → |
| Bob Silva ExcavationSiskiyou, CAMSHA 0404408 | Construction Sand and GravelSurface | AbandonedStatus date: 08/09/1982 | Bob SilvaReported operatorSilva BobReported controller | Neither history importedView source coverage → |
| Boca QuarryNevada, CAMSHA 0404748 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 01/23/1991 | Hillsdale Rock CompanyReported operatorHenry Matoza JrReported controller | Neither history importedView source coverage → |
| Bogart MaterialsGlenn, CANear OrlandMSHA 0405527 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 08/13/2003 | Bogart ConstructionReported operatorDale R (Doc) BogartReported controller | Production / employmentSafety recordsView source coverage → |
| Bol PitSan Diego, CAMSHA 0404117 | Construction Sand and GravelSurface | AbandonedStatus date: 06/26/1979 | Bol Land Development CompanyReported operatorBol Land Development CompanyReported controller | Neither history importedView source coverage → |
| Bonanza KingTrinity, CAMSHA 0404753 | Gold OreUnderground | AbandonedStatus date: 03/18/1986 | Jefferson State Exploration & Development CoReported operatorAloisi FredReported controller | Neither history importedView source coverage → |
| Bonanza King MineSan Bernardino, CAMSHA 0404662 | Silver OreUnderground | AbandonedStatus date: 07/10/1984 | Weaco Resources LtdReported operatorBlack John-Steve RadvakReported controller | Neither history importedView source coverage → |
| BondurantMariposa, CAMSHA 0404491 | Gold OreUnderground | AbandonedStatus date: 09/15/1981 | Grant Exploration LtdReported operatorCrocker F WayneReported controller | Neither history importedView source coverage → |
| Bonny Doon QuarrySanta Cruz, CANear Davenport, CAMSHA 0400175 | Crushed, Broken Limestone NECSurface | AbandonedStatus date: 02/09/2010 | CemexReported operatorCemex S AReported controller | Production / employmentSafety recordsView source coverage → |
| Bonny Doon Shale Pit And MillSanta Cruz, CAMSHA 0401188 | Common ShaleSurface | AbandonedStatus date: 04/23/1981 | Lone Star Industries IncReported operatorLone Star Industries IncReported controller | Neither history importedView source coverage → |
| Bonny PitInyo, CAMSHA 0401094 | TalcSurface | AbandonedStatus date: 12/01/1983 | Pfizer IncReported operatorMinerals Technologies IncReported controller | Neither history importedView source coverage → |
| Boraxo MillInyo, CAMSHA 0401645 | Boron MineralsSurface | AbandonedStatus date: 01/01/1979 | American Borate CompanyReported operatorRoscorp Inc; American Borate CorpReported controller | Neither history importedView source coverage → |
| Border PitSan Diego, CAMSHA 0404081 | Construction Sand and GravelSurface | AbandonedStatus date: 02/10/1988 | Nelson & SloanReported operatorJames NelsonReported controller | Neither history importedView source coverage → |