| George Wolfe PitFremont, COMSHA 0503679 | Construction Sand and GravelSurface | AbandonedStatus date: 11/01/1984 | George H WolfeReported operatorWolfe George HReported controller | Neither history importedView source coverage → |
| Gillette Sand & Gravel Teller, CONear GilletteMSHA 0504529 | Construction Sand and GravelSurface | AbandonedStatus date: 09/25/2026 | Gillette Sand & Gravel IncReported operatorChris Pyles; Sue PylesReported controller | Production / employmentSafety recordsView source coverage → |
| GilroseSummit, COMSHA 0503816 | Construction Sand and GravelSurface | AbandonedStatus date: 05/14/1992 | Continental Aggregates IncReported operatorCox ArloReported controller | Neither history importedView source coverage → |
| Gimera PitEl Paso, COMSHA 0503246 | Construction Sand and GravelSurface | AbandonedStatus date: 01/23/1979 | El Paso County Dept Of TransportationReported operatorEl Paso County-CoReported controller | Neither history importedView source coverage → |
| Gipson PitMesa, COMSHA 0503917 | Construction Sand and GravelSurface | AbandonedStatus date: 04/07/1986 | United Sand & Gravel Company IncReported operatorKen W NesbittReported controller | Neither history importedView source coverage → |
| Gladiator-Gen ShermanHinsdale, COMSHA 0503576 | Gold OreUnderground | AbandonedStatus date: 10/31/1983 | Colorado Gold & Silver IncReported operatorM C ReevesReported controller | Neither history importedView source coverage → |
| Gladstone Toll MillClear Creek, CONear Idaho SpringsMSHA 0505144 | Gold OreSurface | AbandonedStatus date: 03/10/2025 | Salisbury Gladstone LLCReported operatorSSG Mining; Jeff CarterReported controller | Production / employmentSafety recordsView source coverage → |
| Globe Hill MineTeller, COMSHA 0502157 | Gold OreSurface | AbandonedStatus date: 07/27/1988 | Dayspring Mining CorpReported operatorTemple Paul NReported controller | Neither history importedView source coverage → |
| Glory Hole MillGilpin, COMSHA 0502420 | Gold OreFacility | AbandonedStatus date: 05/11/1983 | Chain O'MinesReported operatorCaldwell Harold DReported controller | Neither history importedView source coverage → |
| Glory Hole Mill AnnexGilpin, COMSHA 0503916 | Gold OreFacility | AbandonedStatus date: 07/08/1985 | Intermountain Mining LtdReported operatorBerg Randall WReported controller | Neither history importedView source coverage → |
| Glory Hole MineGilpin, COMSHA 0503719 | Gold OreSurface | AbandonedStatus date: 04/23/1985 | Intermountain Mining LtdReported operatorBerg Randall WReported controller | Neither history importedView source coverage → |
| Glover SiteBaca, COMSHA 0503975 | Construction Sand and GravelSurface | AbandonedStatus date: 08/12/1992 | Chenoweth ConstructionReported operatorChenoweth Marion EReported controller | Neither history importedView source coverage → |
| Goemmer Gravel PitHuerfano, COMSHA 0503824 | Construction Sand and GravelSurface | AbandonedStatus date: 04/21/1987 | Goemmer Gravel PitReported operatorGoemmer Gravel PitReported controller | Neither history importedView source coverage → |
| GolcondaHinsdale, COMSHA 0503083 | Silver OreUnderground | AbandonedStatus date: 07/13/1982 | Bear Creek Mining CompanyReported operatorBritish Petroleum Company PLCReported controller | Neither history importedView source coverage → |
| GoldElbert, COMSHA 0503315 | Construction Sand and GravelSurface | AbandonedStatus date: 08/27/1979 | Colorado Department Of HighwaysReported operatorState Of ColoradoReported controller | Neither history importedView source coverage → |
| Gold Belt Tunnel & Black Eagle MillClear Creek, COMSHA 0502934 | Gold OreUnderground | AbandonedStatus date: 05/06/1982 | Silverglade Mining CoReported operatorSilverglade Mining CoReported controller | Neither history importedView source coverage → |
| Goldbelt Tunnel Mine And MillClear Creek, COMSHA 0503507 | Gold OreFacility | AbandonedStatus date: 05/06/1982 | Silverglade Mining CompanyReported operatorJones R LReported controller | Neither history importedView source coverage → |
| Gold BondTeller, COMSHA 0502731 | Gold OreUnderground | AbandonedStatus date: 01/22/1979 | Reeves Minerals IncReported operatorReeves Minerals IncReported controller | Neither history importedView source coverage → |
| GOLD CAMP 3Adams, CONear LaramieMSHA 0505190 | GemstonesSurface | AbandonedStatus date: 09/19/2024 | Pink Misty Minerals and Gems LLCReported operatorKhristy Kay JesseReported controller | Safety recordsView source coverage → |
| Gold CrestSummit, COMSHA 0503561 | Gold OreUnderground | AbandonedStatus date: 09/20/1982 | Hard Rock Mining CompanyReported operatorVan Tiem Richard & Ray SmithReported controller | Neither history importedView source coverage → |
| Golden AgeBoulder, COMSHA 0503882 | Gold OreUnderground | AbandonedStatus date: 09/09/1986 | Golden Age Resources IncReported operatorGolden Age Resources IncReported controller | Neither history importedView source coverage → |
| Golden BellsBoulder, COMSHA 0503849 | Gold OreUnderground | AbandonedStatus date: 09/22/1994 | Rio CorpReported operatorDurango Metals IncReported controller | Neither history importedView source coverage → |
| Golden EagleLas Animas, CONear WestonMSHA 0502820 | Coal (Bituminous)Underground | Abandoned and SealedStatus date: 12/30/2004 | Basin Resources Inc.Reported operatorWestmoreland Coal CompanyReported controller | Production / employmentSafety recordsView source coverage → |
| Golden Eagle Custom MillClear Creek, COMSHA 0504289 | Silver OreFacility | AbandonedStatus date: 04/08/1991 | Golden Eagle Custom MillReported operatorSurovik MiltonReported controller | Neither history importedView source coverage → |
| Golden Gilpin MillGilpin, COMSHA 0500539 | Silver OreFacility | AbandonedStatus date: 08/11/1987 | Moritz Mining Company IncReported operatorPatrick D MaherReported controller | Neither history importedView source coverage → |
| Golden Gilpin MillGilpin, CONear BlackhawkMSHA 0501544 | Gold OreFacility | AbandonedStatus date: 03/10/2025 | BH Mining Company, LLCReported operatorYvel Family LLC; Pistos LLCReported controller | Safety recordsView source coverage → |
| Golden Gross MinePark, CONear 100MSHA 0504400 | Construction Sand and GravelSurface | AbandonedStatus date: 07/01/2006 | Golden Cross AggregatesReported operatorMichael J Pfister; Richard G PfisterReported controller | Production / employmentSafety recordsView source coverage → |
| Golden Quality No 5Fremont, COMSHA 0500249 | Coal (Bituminous)Underground | AbandonedStatus date: 11/11/1975 | Golden Quality Coal CoReported operatorCarestia TonyReported controller | Neither history importedView source coverage → |
| GOLDEN'S ANDESITE WINDSORWeld, COMSHA 0504479 | Construction Sand and GravelSurface | AbandonedStatus date: 01/03/2000 | Golden'S Andesite Mining CompanyReported operatorReginald V GoldenReported controller | Neither history importedView source coverage → |
| GOLDEN WONDERHinsdale, COMSHA 0502387 | Gold OreUnderground | AbandonedStatus date: 10/23/1997 | Orvis-Barker MiningReported operatorLance Barker; Ken OrvisReported controller | Neither history importedView source coverage → |