| FOUNTAIN PITEl Paso, CONear FountainMSHA 0503821 | Construction Sand and GravelSurface | AbandonedStatus date: 02/14/2019 | Martin Marietta MaterialsReported operatorMartin Marietta Materials IncReported controller | Production / employmentSafety recordsView source coverage → |
| Fourth National Bank PitSummit, COMSHA 0503290 | Construction Sand and GravelSurface | AbandonedStatus date: 08/04/1982 | Flatiron Paving CompanyReported operatorFlatiron Paving CompanyReported controller | Neither history importedView source coverage → |
| FOX #1Pueblo, COMSHA 0500202 | Common Clays NECSurface | AbandonedStatus date: 09/14/2001 | Summit Brick & Tile CompanyReported operatorJoseph C WelteReported controller | Production / employmentView source coverage → |
| Fox MineSan Miguel, COMSHA 0502800 | Uranium OreUnderground | AbandonedStatus date: 05/14/1979 | Cole & Co MiningReported operatorCole & Co MiningReported controller | Neither history importedView source coverage → |
| FRANKLIN 73Clear Creek, COMSHA 0500630 | Gold OreFacility | AbandonedStatus date: 03/04/1999 | Gems & Minerals CorpReported operatorFranklin Consolidated Mng Co Inc & Island InvestmeReported controller | Neither history importedView source coverage → |
| Franktown Pit & PlantDouglas, COMSHA 0503813 | Construction Sand and GravelSurface | AbandonedStatus date: 10/27/1982 | Hallett Construction CompanyReported operatorHallett Construction CompanyReported controller | Neither history importedView source coverage → |
| Freda ClaimSan Juan, COMSHA 0503693 | Gold OreUnderground | AbandonedStatus date: 07/08/1985 | Triple L MiningReported operatorCraig A LiukkoReported controller | Neither history importedView source coverage → |
| Fredonia MineRoutt, COMSHA 0503820 | Silver OreUnderground | AbandonedStatus date: 04/23/1985 | Alma American Mining CorpReported operatorCoors William KReported controller | Neither history importedView source coverage → |
| FreemanEl Paso, COMSHA 0503333 | Construction Sand and GravelSurface | AbandonedStatus date: 07/31/1979 | Colorado Department Of HighwaysReported operatorState Of ColoradoReported controller | Neither history importedView source coverage → |
| Frentress Gravel PitRoutt, CONear HaydenMSHA 0504995 | Construction Sand and GravelSurface | AbandonedStatus date: 10/01/2019 | RCD Construction Inc.Reported operatorRyan DomsonReported controller | Production / employmentSafety recordsView source coverage → |
| Frontenac MineGilpin, COMSHA 0503652 | Gold OreUnderground | AbandonedStatus date: 06/28/1984 | Saratoga Mines IncReported operatorLarson Arden L--C E CarlsonReported controller | Neither history importedView source coverage → |
| Frontier Sand & GravelMontrose, COMSHA 0504331 | Gold OreSurface | AbandonedStatus date: 01/05/1989 | Frontier Sand & GravelReported operatorBarnes Robert JReported controller | Neither history importedView source coverage → |
| Fruita #2Mesa, CONear FruitaMSHA 0503496 | Coal (Bituminous)Underground | Abandoned and SealedStatus date: 08/05/1999 | American Shield Coal CompanyReported operatorArabian Shield Development CompanyReported controller | Neither history importedView source coverage → |
| Fruita Redi-Mix PitMesa, COMSHA 0503482 | Construction Sand and GravelSurface | AbandonedStatus date: 08/20/1981 | Corn Construction CompanyReported operatorLarry W CornReported controller | Neither history importedView source coverage → |
| Ft Collins NLarimer, COMSHA 0500973 | Construction Sand and GravelSurface | AbandonedStatus date: 06/17/1981 | Flatiron Materials CompanyReported operatorFlatiron Paving CompanyReported controller | Neither history importedView source coverage → |
| FT COLLINS PLANTLarimer, COMSHA 0500039 | CementFacility | AbandonedStatus date: 08/30/2002 | Holcim IncReported operatorAmrize LtdReported controller | Production / employmentSafety recordsView source coverage → |
| Ft Collins SouthLarimer, COMSHA 0503256 | Construction Sand and GravelSurface | AbandonedStatus date: 05/09/1988 | Flatiron Paving CompanyReported operatorFlatiron Paving CompanyReported controller | Neither history importedView source coverage → |
| Full Moon No 2San Miguel, COMSHA 0502741 | Uranium-Vanadium OreUnderground | AbandonedStatus date: 06/17/1981 | Union Carbide CorpReported operatorUnion Carbide CorpReported controller | Neither history importedView source coverage → |
| Furman Ranch PeatPark, COMSHA 0500456 | Misc. Nonmetallic Mnls. NECSurface | AbandonedStatus date: 05/21/1982 | David L BagleReported operatorDavid L BagleReported controller | Neither history importedView source coverage → |
| G3 (Cg-27)Mesa, COMSHA 0503209 | Uranium OreUnderground | AbandonedStatus date: 12/01/1982 | Ralph Foster & SonsReported operatorFoster RalphReported controller | Neither history importedView source coverage → |
| Gallegos PitAlamosa, COMSHA 0503921 | Construction Sand and GravelSurface | AbandonedStatus date: 07/05/1985 | Colorado Department Of HighwaysReported operatorState Of ColoradoReported controller | Neither history importedView source coverage → |
| Gardner PitRoutt, COMSHA 0504179 | Crushed, Broken GraniteSurface | AbandonedStatus date: 08/09/1989 | Farrington ContractingReported operatorFarrington EdwardReported controller | Neither history importedView source coverage → |
| Garfield County PitsGarfield, COMSHA 0503302 | Construction Sand and GravelSurface | AbandonedStatus date: 03/20/1980 | Garfield County GovernmentReported operatorGarfield County-CoReported controller | Neither history importedView source coverage → |
| Garita Stone Buzzards Inc.Larimer, CONear LyonsMSHA 0504737 | Dimension SandstoneSurface | AbandonedStatus date: 05/01/2006 | Garita Stone Buzzards Inc.Reported operatorLuis VasquezReported controller | Production / employmentSafety recordsView source coverage → |
| Gause PitOtero, COMSHA 0504352 | Construction Sand and GravelSurface | AbandonedStatus date: 09/19/1989 | Hlm Construction IncReported operatorMills Terry LReported controller | Neither history importedView source coverage → |
| Gavell ExcavatingLarimer, COMSHA 0503857 | Construction Sand and GravelSurface | AbandonedStatus date: 06/14/1988 | Gavell ExcavatingReported operatorGavell CarolynReported controller | Neither history importedView source coverage → |
| Gec Strip And AugerFremont, CONear FlorenceMSHA 0500290 | Coal (Bituminous)Surface | Abandoned and SealedStatus date: 11/01/1983 | G E C Minerals IncReported operatorLayton W DReported controller | Neither history importedView source coverage → |
| Geisert PitWeld, COMSHA 0504035 | Construction Sand and GravelSurface | AbandonedStatus date: 06/27/1986 | Weld County Road & Bridge DepartmentReported operatorWeld County-CoReported controller | Neither history importedView source coverage → |
| GeoMontrose, COMSHA 0502383 | Uranium OreUnderground | AbandonedStatus date: 06/20/1990 | Bob Shumway MiningReported operatorShumway RobertReported controller | Neither history importedView source coverage → |
| GEOCASTAdams, COMSHA 0504662 | Construction Sand and GravelSurface | AbandonedStatus date: 03/19/2002 | Energy Technologies Group IncReported operatorThomas P ClarkReported controller | Production / employmentSafety recordsView source coverage → |