HISTORICAL SITES / RESEARCH DIRECTORY

Abandoned mines in Colorado

Find the public record behind a former mining site. Explore reported locations, mined materials and operating history as a starting point for acquisition, reuse or reclamation research.

2,230 matching recordsMSHA snapshot · 2026-10-31

Browse all states →

Reset

History means records exist in the imported sources, including older periods. Missing history is not evidence of a clean safety record. Operator and controller names are the last relationships reported in the Mines snapshot; they are not verified current property owners.

Mine / reported locationMaterial / typeReported statusReported relationshipsAvailable history
Perkins PitLa Plata, COMSHA 0504038Construction Sand and GravelSurfaceAbandonedStatus date: 07/08/1985Burnett Construction CompanyReported operatorSiegrist Construction CompanyReported controllerNeither history importedView source coverage →
Peroulis Snake River PitMoffat, CONear CraigMSHA 0504972Construction Sand and GravelSurfaceAbandonedStatus date: 02/27/2015Precision Excavating IncReported operatorDavid S ZehnerReported controllerProduction / employmentSafety recordsView source coverage →
Perry PitWeld, CONear BrightonMSHA 0505029Construction Sand and GravelSurfaceAbandonedStatus date: 07/01/2016Northern Colorado ConstructorsReported operatorGeorge ZadelReported controllerProduction / employmentSafety recordsView source coverage →
Perry Pit / Portable Wash Sand PlantWeld, CONear BrightonMSHA 0504545Construction Sand and GravelSurfaceAbandonedStatus date: 10/01/2012Asphalt Paving CompanyReported operatorJeffrey W Keller; John M KellerReported controllerProduction / employmentSafety recordsView source coverage →
Persolite Products IncFremont, CONear FlorenceMSHA 0501899PerliteFacilityAbandonedStatus date: 08/16/2021Persolite Products IncReported operatorLori L Soden; Richard H SodenReported controllerProduction / employmentSafety recordsView source coverage →
Persolite Products-Rosita PitCuster, COMSHA 0500430PerliteSurfaceAbandonedStatus date: 06/17/1986Persolite Products IncReported operatorHerman O FreudenbergReported controllerNeither history importedView source coverage →
Peru No 903Gilpin, COMSHA 0503513Gold OreUndergroundAbandonedStatus date: 10/23/1980Keystone EngineeringReported operatorKeystone EngineeringReported controllerNeither history importedView source coverage →
PetersonWeld, COMSHA 0503392Construction Sand and GravelSurfaceAbandonedStatus date: 08/27/1979Colorado Department Of HighwaysReported operatorState Of ColoradoReported controllerNeither history importedView source coverage →
Peterson PitGarfield, COMSHA 0503911Construction Sand and GravelSurfaceAbandonedStatus date: 05/30/1985Corn Construction CompanyReported operatorLarry W CornReported controllerNeither history importedView source coverage →
Pheasant Run Gravel PitPueblo, CONear PuebloMSHA 0504895Construction Sand and GravelSurfaceAbandonedStatus date: 09/22/2011Centennial State Paving, IncReported operatorJames S BartmessReported controllerProduction / employmentSafety recordsView source coverage →
PhilbertWeld, CONear FirestoneMSHA 0505197Construction Sand and GravelSurfaceAbandonedStatus date: 03/27/2025Operator not reportedReported operatorController not reportedReported controllerNeither history importedView source coverage →
PhiluraSan Miguel, COMSHA 0503219Uranium-Vanadium OreUndergroundAbandonedStatus date: 10/07/1980Kelmine CorpReported operatorColorado Kenworth IncReported controllerNeither history importedView source coverage →
Phoenix MineClear Creek, COMSHA 0503618Gold OreUndergroundAbandonedStatus date: 07/03/1985Mosch Exploration & Mining CompanyReported operatorMosch AlvinReported controllerNeither history importedView source coverage →
PICKETT CORRALMontrose, COMSHA 0501159Uranium OreUndergroundAbandonedStatus date: 12/02/1998Grand Mesa Mining CorpReported operatorFitzgerald Ray FReported controllerNeither history importedView source coverage →
Pierce Gravel PitWeld, COMSHA 0504084Construction Sand and GravelSurfaceAbandonedStatus date: 11/20/1985Weld County Road & Bridge DepartmentReported operatorWeld County-CoReported controllerNeither history importedView source coverage →
Pikes PeakEl Paso, COMSHA 0500060Dimension GraniteSurfaceAbandonedStatus date: 05/04/1978Red Jasper Granite IncReported operatorRed Jasper Granite IncReported controllerNeither history importedView source coverage →
PIKE VIEW QUARRYEl Paso, CONear Colorad Springs, COMSHA 0501443Crushed, Broken Limestone NECSurfaceAbandonedStatus date: 10/01/2020Castle Concrete AggregatesReported operatorContinental Materials CorpReported controllerProduction / employmentSafety recordsView source coverage →
Pinewood Or Pinewood PitAdams, COMSHA 0503682Construction Sand and GravelSurfaceAbandonedStatus date: 01/26/1983Colorado Sand & Gravel CompanyReported operatorPhil SpanoReported controllerNeither history importedView source coverage →
Pink Misty Minerals and GemsLarimer, CONear wheatlandMSHA 4801876GemstonesSurfaceAbandonedStatus date: 09/19/2024Pink Misty Minerals and Gems LLCReported operatorKhristy Kay JesseReported controllerSafety recordsView source coverage →
PINNACLE NO 1 QUARRYMontrose, COMSHA 0504574Crushed, Broken SandstoneSurfaceAbandonedStatus date: 11/21/2000Pinnacle Quarry & Development CompanyReported operatorRichard E LippothReported controllerProduction / employmentView source coverage →
Pinon PitEagle, COMSHA 0504344Construction Sand and GravelSurfaceAbandonedStatus date: 05/17/1991R E Monks Construction CompanyReported operatorMonks Robert EReported controllerNeither history importedView source coverage →
PioneerDouglas, COMSHA 0502220Fire ClaySurfaceAbandonedStatus date: 04/01/1991Robinson Brick CompanyReported operatorF George Robinson JrReported controllerNeither history importedView source coverage →
PIONEER #1Alamosa, COMSHA 0504455Construction Sand and GravelSurfaceAbandonedStatus date: 03/27/2000Asphalt Constructors IncReported operatorTimothy DeHerrera; Todd A Stockebrand; Brittney DeHerrera; Robert StReported controllerProduction / employmentSafety recordsView source coverage →
Pioneer #2La Plata, CONear HESPERUSMSHA 0504883Construction Sand and GravelSurfaceAbandonedStatus date: 10/23/2018Neils ExcavationReported operatorBruce E. NeilReported controllerProduction / employmentSafety recordsView source coverage →
Pioneer #3La Plata, CONear IgnacioMSHA 0504934Construction Sand and GravelSurfaceAbandonedStatus date: 01/10/2011Neils Excavation & Gen ContractingReported operatorBruce E. NeilReported controllerProduction / employmentSafety recordsView source coverage →
Pioneer 30 X 42 PrimaryEagle, COMSHA 0503102Construction Sand and GravelSurfaceAbandonedStatus date: 06/01/1987Nottingham Sand & GravelReported operatorNottingham Randy & StevenReported controllerNeither history importedView source coverage →
Pioneer 4La Plata, CONear IgnacioMSHA 0504964Construction Sand and GravelSurfaceAbandonedStatus date: 08/09/2011Neil's Excavation & Gen Contracting, IncReported operatorBruce E. NeilReported controllerProduction / employmentSafety recordsView source coverage →
Pioneer MineChaffee, COMSHA 0503080Gold OreSurfaceAbandonedStatus date: 01/11/1979Pioneer MinesReported operatorPioneer MinesReported controllerNeither history importedView source coverage →
Pioneer # OneLa Plata, CONear IgnacioMSHA 0504842Construction Sand and GravelSurfaceAbandonedStatus date: 07/09/2010Neil's Excavation & General Contracting IncReported operatorBruce E. NeilReported controllerProduction / employmentSafety recordsView source coverage →
Pioneer Park PitJefferson, COMSHA 0503643Construction Sand and GravelSurfaceAbandonedStatus date: 07/05/1985G L M Farms IncReported operatorPallaoro GeorgeReported controllerNeither history importedView source coverage →

Take the research further

Acquisition & reuse

Use the mine name and reported location to investigate county parcel and title records, mineral rights, access and planning constraints. MSHA mailing addresses are addresses of record and may not locate the mine. Confirm the parcel and current ownership separately.

EPA mine-site redevelopment primer ↗

Reclamation projects

Check official reclamation inventories and state or tribal programmes for documented hazards, project status and programme criteria. A matching name or an MSHA abandoned status alone does not confirm a programme match.

OSMRE abandoned mine land programme ↗

Source: MSHA public datasets. Production history checks quarterly and annual mine production/employment records. Safety history checks violations, inspections and accident reports; other source coverage is available on each mine profile.