| Borello Ranch QuarryMarin, CAMSHA 0405144 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 08/26/1993 | Borello Ranch QuarryReported operatorBorello Robert AReported controller | Neither history importedView source coverage → |
| BoronKern, CANear BoronMSHA 0405671 | Boron MineralsSurface | AbandonedStatus date: 05/30/2008 | Carlton Global Resources, LLCReported operatorSelect Resources; Main Capital Partners LLCReported controller | Production / employmentSafety recordsView source coverage → |
| BORON OPERATIONS UNDERGROUND MINKern, CANear kernMSHA 0405366 | Boron MineralsUnderground | AbandonedStatus date: 05/04/2001 | U S Borax IncReported operatorRio Tinto GroupReported controller | Production / employmentSafety recordsView source coverage → |
| Boron RefineryKern, CAMSHA 0403886 | Boron MineralsFacility | AbandonedStatus date: 01/01/1987 | United States Borax & Chemical CorpReported operatorRio Tinto GroupReported controller | Neither history importedView source coverage → |
| Boseker Ranch Channel Rehabilitation ProSan Diego, CAMSHA 0405198 | Construction Sand and GravelSurface | AbandonedStatus date: 03/04/1996 | Burl Stolworthy Flood Control MaintenanceReported operatorStolworthy BurlReported controller | Neither history importedView source coverage → |
| Bostrum TalcInyo, CAMSHA 0404892 | TalcUnderground | AbandonedStatus date: 01/01/1988 | Cal-Vada MiningReported operatorSchmeling Max & MikeReported controller | Neither history importedView source coverage → |
| Bottlerock AggregatesLake, CAMSHA 0404609 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 11/07/1984 | Baldwin Contracting Company IncReported operatorM & T IncReported controller | Neither history importedView source coverage → |
| Boulder Bar Placer MineSiskiyou, CAMSHA 0405047 | Gold OreSurface | AbandonedStatus date: 07/23/1990 | Earl AndersReported operatorAnders EarlReported controller | Neither history importedView source coverage → |
| Boulevard PlantLos Angeles, CAMSHA 0401742 | Construction Sand and GravelSurface | AbandonedStatus date: 05/14/1992 | Calmat CompanyReported operatorCalmat CompanyReported controller | Neither history importedView source coverage → |
| Bowman Canyon Quarry IncorporatedMarin, CAMSHA 0405221 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 05/15/1995 | Bowman Canyon Quarry IncReported operatorMarvin K SoilandReported controller | Neither history importedView source coverage → |
| BOWMAN PITKern, CANear ridgecrestMSHA 0404739 | Construction Sand and GravelSurface | AbandonedStatus date: 04/04/2007 | Holliday Rock Company Inc.Reported operatorPenny J HollidayReported controller | Production / employmentSafety recordsView source coverage → |
| Bowstring OperationKern, CANear RandsburgMSHA 0405691 | Gold OreSurface | AbandonedStatus date: 07/19/2006 | Bowstring OperationReported operatorRick SchipperReported controller | Production / employmentView source coverage → |
| Bradley PlantMonterey, CANear BradleyMSHA 0405572 | Construction Sand and GravelSurface | AbandonedStatus date: 04/01/2016 | Calportland ConstructionReported operatorTaiheiyo Cement CorpReported controller | Production / employmentSafety recordsView source coverage → |
| BRADLEY PLANT & BORROW PITMonterey, CANear montereyMSHA 0405184 | Construction Sand and GravelSurface | AbandonedStatus date: 05/19/1999 | Madonna Construction CompanyReported operatorMadonna AlexReported controller | Neither history importedView source coverage → |
| BRANDEN SAND PITShasta, CANear Hat CreekMSHA 0405477 | Construction Sand and GravelSurface | AbandonedStatus date: 03/27/2003 | Hat Creek Construction IncReported operatorPerry ThompsonReported controller | Production / employmentSafety recordsView source coverage → |
| Brems PitSanta Clara, CAMSHA 0401708 | Construction Sand and GravelSurface | AbandonedStatus date: 01/01/1979 | Brems Sand & GravelReported operatorBrems Sand & GravelReported controller | Neither history importedView source coverage → |
| BriggsInyo, CAMSHA 0404860 | Gold OreSurface | AbandonedStatus date: 06/12/1991 | Cr BriggsReported operatorAtna Resources Ltd.Reported controller | Neither history importedView source coverage → |
| Briggs MineInyo, CANear TronaMSHA 0405276 | Gold OreSurface | AbandonedStatus date: 10/15/2019 | DV Natural Resources, LLCReported operatorAna M ClarkeReported controller | Production / employmentSafety recordsView source coverage → |
| Briggs Road PlantVentura, CAMSHA 0404823 | Construction Sand and GravelSurface | AbandonedStatus date: 02/13/1995 | Southern Pacific Milling CompanyReported operatorHanson PLCReported controller | Neither history importedView source coverage → |
| Briney MineMono, CAMSHA 0404886 | Gold OreUnderground | AbandonedStatus date: 06/22/1988 | Briney FoundationReported operatorBriney Guy AReported controller | Neither history importedView source coverage → |
| BrisbaneSan Mateo, CAMSHA 0405213 | Construction Sand and GravelSurface | AbandonedStatus date: 08/22/1995 | Kiewit Pacific Co.Reported operatorKiewit Infrastructure Group IncReported controller | Neither history importedView source coverage → |
| Brisbane PlantSan Mateo, CANear South San FranciscoMSHA 0405541 | Construction Sand and GravelSurface | AbandonedStatus date: 12/02/2002 | Brisbane Recycling Co., Inc.Reported operatorJoseph B NublaReported controller | Production / employmentView source coverage → |
| Bristol Dry LakeSan Bernardino, CAMSHA 0401052 | Salt, Brine EvaporatedSurface | AbandonedStatus date: 05/21/1982 | National Chloride Company Of AmericaReported operatorNational Chloride Company Of AmericaReported controller | Neither history importedView source coverage → |
| Britten Granite PitTulare, CAMSHA 0405166 | Crushed, Broken GraniteSurface | AbandonedStatus date: 11/15/1993 | L E Britten ConstructionReported operatorBritten Lawrence EReported controller | Neither history importedView source coverage → |
| Brown Bear MineTrinity, CAMSHA 0403206 | Gold OreUnderground | AbandonedStatus date: 07/25/1983 | Shasta Bird Mine AssociatesReported operatorShasta Mine Associates-Bird DrillingReported controller | Neither history importedView source coverage → |
| BROWN CLAYImperial, CAMSHA 0405400 | Clay, Ceramic, Refractory Mnls.Surface | AbandonedStatus date: 03/07/2001 | Protech Minerals IncReported operatorChul L ChoeReported controller | Production / employmentSafety recordsView source coverage → |
| BrownsSiskiyou, CANear YrekaMSHA 0405797 | Crushed, Broken Stone NECSurface | AbandonedStatus date: 03/12/2025 | L.P. EnterprisesReported operatorMichael T Peters; Eric W PetersReported controller | Production / employmentSafety recordsView source coverage → |
| BROWN SAND INCSan Joaquin, CAMSHA 0404284 | Construction Sand and GravelSurface | AbandonedStatus date: 05/19/1998 | Brown Sand IncReported operatorRobert H Brown JrReported controller | Neither history importedView source coverage → |
| BROWN SAND PLANT #4San Joaquin, CAMSHA 0404985 | Construction Sand and GravelFacility | AbandonedStatus date: 01/02/1998 | Brown Sand IncReported operatorRobert H Brown JrReported controller | Neither history importedView source coverage → |
| Brownstone QuarryColusa, CANear maxwellMSHA 0405453 | Dimension SandstoneSurface | AbandonedStatus date: 12/20/2007 | Brownstone Quarry Reported operatorCharles J CoffynReported controller | Production / employmentSafety recordsView source coverage → |