Abandoned mines in Utah County, Utah
Utah County, Utah has 2,096 mine and prospect features on USGS topographic maps published 1915–2001, including 614 mine openings (shafts, adits and air shafts) and 1,151 prospect pits; 156 of the features carry a name on the map. OSMRE's abandoned mine land inventory lists 19 problems in the county, 2 of them not yet reclaimed. MSHA's register carries 106 mines in the county with status Abandoned or Abandoned and Sealed.
Every mine and prospect feature the USGS digitized from historical topographic maps covering Utah County, every OSMRE abandoned mine land problem in the county, and every MSHA-registered mine here with status Abandoned. Named features are listed below; unnamed ones are counted by type. Locations are deliberately not shown: this page says what abandoned workings are in the county, not where to find them. They are dangerous and should not be entered.
- Mapped mine features (USGS)
- 2,096
- Mine openings
- 614
- OSMRE problems unreclaimed
- 2
- MSHA mines marked abandoned
- 106
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631 29.8%Mine openingsshafts, adits, air shafts, portals and vertical openings: the ways into underground workings
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1,151 54.4%Prospect pits and trenchesshallow exploration diggings that never became a mine
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53 2.5%Mines and surface workingslabelled mines, open pits, strip mines, placer and hydraulic workings
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214 10.1%Quarries, gravel and borrow pitsconstruction-material and industrial-mineral extraction
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64 3.0%Dumps, tailings, spoil and gobwhat mining left above ground
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2 0.1%Other reclamation problemshighwalls, subsidence, polluted or clogged water, fires, slides and gases in OSMRE's inventory
| Name on map | Feature |
|---|---|
| Apex Standard No 1 | Mine Shaft |
| Apex Standard No 2 | Mine Dump area |
| Apex Standard No 2 | Mine Shaft |
| Apex Standard No 2 | Mine Shaft |
| Bay State Tunnel | Adit |
| Beck No 2 Shaft | Mine Shaft |
| Beck Tunnel No 1 | Adit |
| Beck Tunnel No 2 | Adit |
| Beck Tunnel No 2 | Mine Dump area |
| Big Hill Shaft | Mine Dump area |
| Big Hill Shaft | Mine Shaft |
| Birdseye Quarry | Quarry |
| Birdseye Quarry | Quarry |
| Bluff | Mine Dump area |
| Bluff | Mine Shaft |
| Bog Mine | Adit |
| Calcite Quarry | Quarry |
| Calcite Quarry | Quarry |
| Centennial Tunnel | Adit |
| Central Standard | Mine Dump area |
| Central Standard | Mine Shaft |
| Chief Oxide/Burgin No 1 | Mine Shaft |
| Colorado No 1 | Mine Shaft |
| Colorado No 2 | Mine Shaft |
| Copper Leaf | Mine Shaft |
| Crotons Mine | Adit |
| Crown Point | Mine Shaft |
| Crown Point No 2 | Mine Dump area |
| Crown Point No 2 | Mine Shaft |
| Crown Point No 3 | Mine Shaft |
| Dream Mine | Adit |
| Dream Mine | Adit |
| Dutchman Mine | Adit |
| Earl-Eagle Mine | Adit |
| East Crown Point | Mine Shaft |
| East Dividend | Mine Dump area |
| East Dividend | Mine Shaft |
| East Standard | Mine Shaft |
| East Standard | Mine Shaft |
| East Tintic Coalition | Mine Dump area |
| East Tintic Coalition | Mine Shaft |
| Eureka Bullion | Mine Shaft |
| Eureka Lily | Mine Shaft |
| Eureka Standard | Mine Dump area |
| Eureka Standard | Mine Dump area |
| Eureka Standard | Mine Dump area |
| Eureka Standard | Mine Shaft |
| Eureka Standard | Mine Shaft |
| Farragut Shaft | Mine Shaft |
| Fields Prospect | Prospect Pit |
| Globe Mines | Adit |
| Golden Relief Mine | Adit |
| Hansen Cave | Adit |
| Homansville Shaft | Mine Dump area |
| Homansville Shaft | Mine Shaft |
| Hot Stuff Mine | Adit |
| Hot Stuff Mine | Adit |
| Hot Stuff Mine | Mine Shaft |
| Humbug Tunnels | Adit |
| Humbug Tunnels | Adit |
| Independence Shaft | Mine Shaft |
| Iron Blossom No 3 | Mine Shaft |
| Iron Blossom No 3 | Mine Shaft |
| Iron Blossom No 3 | Prospect Pit |
| Iron King No 1 | Mine Shaft |
| Iron King No 2 | Mine Dump area |
| Iron King No 2 | Mine Shaft |
| Iron King Tunnel | Adit |
| Keigley Quarry | Quarry area |
| Leader Mine | Open Pit Mine |
| Lehi Tintic | Adit |
| Lehi Tintic | Mine Shaft |
| Lehi Tintic Mine | Mine Shaft |
| Lime Quarry (Mine) | Mine Dump area |
| Lime Quarry Mine | Adit |
| Lime Quarry Mine | Adit |
| Lime Quarry Mine | Mine Shaft |
| Maple Shaft | Mine Shaft |
| Midwest Tunnel | Adit |
| Miller Hill Tunnel | Adit |
| Mineral Flat Tunnels | Adit |
| Montana Shaft | Mine Shaft |
| Mountain Dell Mine | Adit |
| Nelson Mine | Adit |
| North Lily Shaft | Mine Dump area |
| North Lily Shaft | Mine Shaft |
| North Standard | Mine Dump area |
| North Standard | Mine Shaft |
| North Standard | Open Pit Mine |
| Northern Spy | Adit |
| Northern Spy | Mine Dump area |
| Northern Spy | Mine Shaft |
| Northern Spy | Mine Shaft |
| Nutty Putty Cave | Mine Shaft |
| Old Beck Tunnel | Adit |
| Old Beck Tunnel | Adit |
| Old Beck Tunnel | Mine Dump area |
| Old Mayflower Mine | Open Pit Mine |
| Old Mayflower Mine | Prospect Pit |
| Old Spanish Mine | Adit |
| Original Iron King | Mine Dump area |
| Original Iron King | Mine Shaft |
| Oxen | Mine Shaft |
| Oxen | Prospect Pit |
| Pacific Mine | Adit |
| Pinyon Queen | Mine Dump area |
| Pinyon Queen | Mine Shaft |
| Provo | Mine Shaft |
| RGW Tunnel | Adit |
| Salvador | Adit |
| Selma Mine | Mine Shaft |
| Silver Bell Mine | Adit |
| Silver Dollar Mine | Adit |
| Silver Shield | Adit |
| Silver Shield | Mine Dump area |
| Sioux Consolidated | Adit |
| Sioux Shaft | Mine Shaft |
| Sioux Tunnel | Adit |
| Slag Dump | Slag Pile area |
| Slag Dump | Slag Pile area |
| Smuggler Tunnel | Adit |
| South Standard | Mine Shaft |
| Sunday Tunnel | Adit |
| Syndicate Mine | Adit |
| Texan Tunnel | Adit |
| Timpanogos Cave | Adit |
| Tintic Davis | Mine Shaft |
| Tintic Drain Tunnel | Adit |
| Tintic Drain Tunnel | Adit |
| Tintic Empire | Mine Shaft |
| Tintic Empire Mine | Mine Shaft |
| Tintic Paymaster | Mine Shaft |
| Tintic Paymaster No 2 | Mine Shaft |
| Tintic Standard No 1 | Mine Dump area |
| Tintic Standard No 1 | Mine Shaft |
| Tintic Standard No 2 | Mine Shaft |
| Tintic Standard No 2 | Open Pit Mine area |
| Tintic Standard No 3 | Mine Shaft |
| Tintic Standard Nos 2 & 3 | Mine Shaft |
| Tiptop | Adit |
| Tiptop | Prospect Pit |
| Trixie | Prospect Pit |
| Trump Shaft/Trixie | Mine Shaft |
| Uncle Sam | Prospect Pit |
| Utah | Adit |
| Utah | Adit |
| Water Lilly | Mine Shaft |
| Water Lily | Mine Dump area |
| White Star | Adit |
| Wyoming Tunnel | Adit |
| Yankee | Mine Dump area |
| Yankee | Mine Dump area |
| Yankee | Mine Dump area |
| Yankee | Mine Shaft |
| Yankee Mines | Adit |
| Zuma Shaft | Mine Shaft |
A name is the label printed beside the symbol on the map. "First mapped" is the earliest topographic edition that shows the symbol, which bounds the feature's age from above; it is not the date it was worked. Unnamed features (most prospect pits, adits and shafts carry no label) are in the counts above but not this list.
| Problem area | Problem | Status |
|---|---|---|
| Dividend | P1 Portals | In Reclamation |
| Dividend | P1 Vertical Openings | In Reclamation |
| Fivemile Pass | P1 Portals | Reclamation Completed |
| Fivemile Pass | P1 Subsidence | Reclamation Completed |
| Fivemile Pass | P1 Subsidence | Reclamation Completed |
| Fivemile Pass | P1 Vertical Openings | Reclamation Completed |
| Fivemile Pass | P1 Vertical Openings | Reclamation Completed |
| Government Canyon | P1 Portals | Reclamation Completed |
| North Tintic East | P1 Portals | Reclamation Completed |
| North Tintic East | P1 Vertical Openings | Reclamation Completed |
| Ophir | P1 Portals | Reclamation Completed |
| Ophir | P1 Portals | Reclamation Completed |
| Ophir | P1 Vertical Openings | Reclamation Completed |
| Santaquin Pit | P1 Portals | Reclamation Completed |
| Santaquin Pit | P1 Vertical Openings | Reclamation Completed |
| Summit-American Fork | P1 Portals | Reclamation Completed |
| Summit-American Fork | P1 Vertical Openings | Reclamation Completed |
| Timpanogos North | P1 Portals | Reclamation Completed |
| Timpanogos South | P1 Portals | Reclamation Completed |
Problem types carry OSMRE's priority prefix: P1 and P2 are threats to health, safety and property, P3 is environmental. A problem area is a cluster of problems reclaimed as one project; several rows can share one location.
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24-1004Abandoned 1987-09-18Surface metal/non-metal · W. W. Clyde & Co. · MSHA ID 4201753
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24-1025Abandoned 2004-04-20Surface metal/non-metal · W. W. Clyde & Co. · MSHA ID 4201798
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24-1040Abandoned 2016-08-16Surface metal/non-metal · W.W. Clyde & Co. · MSHA ID 4202404
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44011Abandoned 2002-08-15Surface metal/non-metal · Staker Paving & Construction Company Inc · MSHA ID 4202103
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5-Mile PitAbandoned 1990-01-23Surface metal/non-metal · Interstate Brick Company · MSHA ID 4200067
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76-1022Abandoned 1982-12-06Surface metal/non-metal · W. W. Clyde & Co. · MSHA ID 4201754
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9 mile QuarryAbandoned 2019-10-21Surface metal/non-metal · Carmel Stone Supply · MSHA ID 4202349
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American Consolidated Mining PlantAbandoned 1985-05-22Facility metal/non-metal · American Consolidated Mining Company · MSHA ID 4201758
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American Fork PitAbandoned 1978-04-14Surface metal/non-metal · Warburton Sand & Gravel · MSHA ID 4201076
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Apex #2Abandoned 1989-04-03Underground metal/non-metal · Sunshine Mining Company · MSHA ID 4201719
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Barex Lindon Plant Or Barex Corp MillAbandoned 1983-02-18Facility metal/non-metal · Barex Corp · MSHA ID 4201658
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Big Buck MineAbandoned 1981-01-29Surface metal/non-metal · Reay Mining · MSHA ID 4201657
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Black ShaleAbandoned 1986-11-17Surface metal/non-metal · Interstate Brick Company · MSHA ID 4201993
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Burgin/ApexAbandoned 2002-04-15Facility metal/non-metal · Tintic Utah Metals Llc · MSHA ID 4200148
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Cedar Valley PitAbandoned 2025-08-27Surface metal/non-metal · Valley View Rock Products LLC · MSHA ID 4202638
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Cedarstrom Sand And Gravel PitAbandoned 1983-08-29Surface metal/non-metal · Cedarstrom Calcite Company · MSHA ID 4201013
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Chief Consolidated MinesAbandoned 1995-06-09Underground metal/non-metal · Centennial Development Company · MSHA ID 4202114
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Clawson Excavating, IncAbandoned 2021-05-03Surface metal/non-metal · Clawson Excavating, Inc · MSHA ID 4202712
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Clinton MineAbandoned 1987-04-27Surface metal/non-metal · Interpace Corp · MSHA ID 4200064
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Colton PitAbandoned 1984-02-10Surface metal/non-metal · Le Grand Johnson Construction Company · MSHA ID 4201834
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Colton Screening Plant & SalesAbandoned 1982-02-01Facility coal · Blazon Company · MSHA ID 4201728
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Condie Mobile #1Abandoned 2020-07-31Surface metal/non-metal · Condie Construction Co., Inc. · MSHA ID 4202169
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Coyote Knoll MineAbandoned 2013-06-26Surface metal/non-metal · Amnor Energy Corp · MSHA ID 4202582
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CR Portable CrushingAbandoned 2025-02-21Surface metal/non-metal · Cox Rock Products, Inc · MSHA ID 4202763
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Crown Point MineAbandoned 1984-07-16Underground metal/non-metal · U S Energy Corp · MSHA ID 4200761
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Dairy Fork PitAbandoned 1987-05-05Surface metal/non-metal · Dansie Enterprises · MSHA ID 4201893
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DC PortableAbandoned 2022-10-27Surface metal/non-metal · Dirt Cheap LLC · MSHA ID 4202743
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Dutchman 2Abandoned 1978-04-14Surface metal/non-metal · Cedarstrom Fire Clay Company · MSHA ID 4200060
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ElbertaAbandoned 2010-06-02Surface metal/non-metal · Wasatch Gravel and Rock, LLP · MSHA ID 4202435
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Extec Portable 1Abandoned 2015-05-15Surface metal/non-metal · RN & Sons Equipment LLC · MSHA ID 4202592
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Extec ScreenAbandoned 2019-10-21Surface metal/non-metal · Peck Rock and Products LLC · MSHA ID 4202390
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Fak P. U. #1Abandoned 2002-10-24Surface metal/non-metal · Fluor, Ames, Kraemer, LLC · MSHA ID 4202330
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FaunAbandoned 1978-04-14Surface metal/non-metal · Cedarstrom Fire Clay Company · MSHA ID 4200833
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Ferto MineAbandoned 1979-01-05Facility metal/non-metal · U S Ferto Corp · MSHA ID 4201131
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Flake PitAbandoned 1980-11-04Surface metal/non-metal · W W Clyde & Company Inc · MSHA ID 4201570
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Fruitland Rock Products LLCAbandoned 2022-10-27Surface metal/non-metal · Fruitland Rock Products LLC · MSHA ID 4202641
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Geneva PitAbandoned 1991-09-23Surface metal/non-metal · Intermountain Sand Company · MSHA ID 4201939
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Glode-Yankee MineAbandoned 1982-09-24Underground metal/non-metal · Knight-Roundy Mining Inc · MSHA ID 4201692
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Gold Dome Mining And Milling MillAbandoned 1985-05-22Facility metal/non-metal · Gold Dome Mining & Milling Company · MSHA ID 4201463
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GomexAbandoned 2016-07-11Surface metal/non-metal · Staker & Parson Companies · MSHA ID 4201857
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GSC Portable #1Abandoned 2025-09-18Surface metal/non-metal · Green Soils Company LLC. · MSHA ID 4202771
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H-K Portable Plant 033 CrusherAbandoned 1986-04-07Surface metal/non-metal · H-K Contractors Inc · MSHA ID 4201964
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Hays PitAbandoned 1979-07-05Surface metal/non-metal · Geneva Rock Products Inc · MSHA ID 4201381
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Homanville QuarryAbandoned 1982-07-14Surface metal/non-metal · Kennecott Minerals Company · MSHA ID 4201523
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Hurst PitAbandoned 1983-01-26Surface metal/non-metal · Fogle Sand & Gravel Company · MSHA ID 4200977
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Insul Chem MillAbandoned 1987-04-24Facility metal/non-metal · Insul Chem Inc · MSHA ID 4201810
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INTERMOUNTAIN SAND PITAbandoned 2000-08-15Surface metal/non-metal · Intermountain Sand Company · MSHA ID 4201071
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Iron BlossomAbandoned 1989-03-02Underground metal/non-metal · Sunshine Mining Company · MSHA ID 4201742
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IRONTONAbandoned 2023-09-05Surface metal/non-metal · Erock Inc · MSHA ID 4202120
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J M Sumsion Sand And Gravel PitAbandoned 1978-07-07Surface metal/non-metal · J M Sumsion Sand & Gravel Company · MSHA ID 4201074
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Jim GayAbandoned 1990-01-23Surface metal/non-metal · Interstate Brick Company · MSHA ID 4200035
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Jim Gay PitAbandoned 1978-12-04Surface metal/non-metal · Entrada Industries Inc Interstate B · MSHA ID 4200335
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Johnson Ready Mix Co Pit No 1Abandoned 1979-10-15Surface metal/non-metal · Johnson Ready Mix Company · MSHA ID 4201037
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Johnson Ready Mix Co Pit No 2Abandoned 1979-03-16Surface metal/non-metal · Johnson Ready Mix Company · MSHA ID 4201038
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L-7 Portable CrusherAbandoned 2007-08-01Surface metal/non-metal · Geneva Rock Products Inc · MSHA ID 4202304
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Lake Point QuarryAbandoned 2022-08-09Surface metal/non-metal · Ames Construction, Inc. · MSHA ID 4200003
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Lakeside Lime Quarry And MillAbandoned 1980-11-24Surface metal/non-metal · Limestone Products Corp · MSHA ID 4200015
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Lehi Mortar Sand PitAbandoned 1985-04-25Surface metal/non-metal · Lehi Mortar Sand Company · MSHA ID 4201053
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LEHI PITAbandoned 2000-05-09Surface metal/non-metal · Granite Construction Company · MSHA ID 4201807
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Lime Peak QuarryAbandoned 2008-04-10Surface metal/non-metal · Shaw Environmental · MSHA ID 4202382
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LincolnAbandoned 2015-08-05Surface metal/non-metal · Ophir Minerals LLC · MSHA ID 4202626
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Lott Canyon MineAbandoned 2022-08-03Surface metal/non-metal · Triple D Excavation, LLC · MSHA ID 4202724
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Lott Canyon MineAbandoned 2023-08-01Surface metal/non-metal · Mills Rock & Gravel · MSHA ID 4202733
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M & N Development LLCAbandoned 2011-09-06Surface metal/non-metal · M & N Development LLC · MSHA ID 4202427
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MVC Portable #1Abandoned 2015-02-18Surface metal/non-metal · MVC Const. Co. Inc. · MSHA ID 4202445
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NEBO ROCKAbandoned 1998-09-25Surface metal/non-metal · Custom Crushing & Recycling Lc · MSHA ID 4202198
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Olsen PitAbandoned 1984-04-30Surface metal/non-metal · Elbert Lowdermilk Inc · MSHA ID 4201826
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Peayo Dream Mine #2Abandoned 2004-07-26Surface metal/non-metal · Stone Age Rock · MSHA ID 4202378
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Peck Clay PitsAbandoned 2022-06-01Surface metal/non-metal · Thomas J Peck & Sons Inc · MSHA ID 4201161
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Pettro PitAbandoned 2009-10-01Surface metal/non-metal · Vanrok, LLC · MSHA ID 4202417
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PIT 25 JCI SCREEN PLANTAbandoned 2002-08-23Surface metal/non-metal · Harper Sand & Gravel Inc · MSHA ID 4202295
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Pleasant Grove PlantAbandoned 1987-05-04Surface metal/non-metal · Westroc Inc · MSHA ID 4201988
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Point Of The Mountain PitAbandoned 1980-03-11Surface metal/non-metal · Thorn Construction Inc-Thorn Rock Products · MSHA ID 4201418
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Point West LehiAbandoned 2023-09-18Surface metal/non-metal · Staker & Parson Companies · MSHA ID 4202043
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Portable #1Abandoned 2026-03-05Surface metal/non-metal · CMC Rock, LLC · MSHA ID 4202790
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Portable Crusher #1Abandoned 2021-09-09Surface metal/non-metal · Granite Construction Company · MSHA ID 4202050
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Portable Crusher #2Abandoned 1987-07-09Surface metal/non-metal · Harris Bethers Construction Company · MSHA ID 4201982
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PORTABLE CRUSHER #2Abandoned 1998-10-15Surface metal/non-metal · Rocky Mountain Trucking & Equipment Company Inc · MSHA ID 4201867
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Portable Number OneAbandoned 2020-07-31Surface metal/non-metal · Whitaker Construction, Co. Inc. · MSHA ID 4202537
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PORTABLE VA-1Abandoned 1999-09-22Surface metal/non-metal · Valley Asphalt Inc · MSHA ID 4200412
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PORTABLE VA-4Abandoned 2001-10-01Surface metal/non-metal · Valley Asphalt Inc · MSHA ID 4202033
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PORTABLE VA-6Abandoned 2000-03-15Surface metal/non-metal · Valley Asphalt Inc · MSHA ID 4202119
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Poverty Point PitAbandoned 2015-10-13Surface metal/non-metal · Holcim (US) Inc. · MSHA ID 4202380
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PowellAbandoned 1990-01-23Surface metal/non-metal · Interstate Brick Company · MSHA ID 4200182
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Provo Canyon PitAbandoned 1984-09-21Surface metal/non-metal · Geneva Rock Products Inc · MSHA ID 4200380
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Provo Canyon PitAbandoned 2026-04-29Surface metal/non-metal · PROVO CANYON AGGREGATES AND RECYCLING, LLC · MSHA ID 4202418
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Relief MineAbandoned 1991-06-27Underground metal/non-metal · Relief Mine Company · MSHA ID 4201159
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RELIEF MINE PITAbandoned 2000-10-10Surface metal/non-metal · Sunroc Corporation · MSHA ID 4202265
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Riverside PitAbandoned 2013-11-13Surface metal/non-metal · Ron Foster Construction · MSHA ID 4202332
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Rockwell PitAbandoned 2022-08-08Surface metal/non-metal · Forward Development Group · MSHA ID 4202731
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Rowley PitAbandoned 1979-11-01Surface metal/non-metal · Utah County Road Department · MSHA ID 4201154
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RPN Rock ProductsAbandoned 2006-10-01Surface metal/non-metal · RPN Rock Products · MSHA ID 4202450
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Savage Bros Sand And Gravel PitAbandoned 1980-06-19Surface metal/non-metal · Savage Brothers Inc · MSHA ID 4201149
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Silver Bell MineAbandoned 1984-08-30Underground metal/non-metal · Lee Mining Corp · MSHA ID 4201698
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Smokey JoeAbandoned 1986-11-17Surface metal/non-metal · Interstate Brick Company · MSHA ID 4201992
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Spring Lake TunnelAbandoned 1982-04-26Underground metal/non-metal · Syndicate Oil & Mineral Company · MSHA ID 4201264
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StoneCover QuarriesAbandoned 2022-10-27Surface metal/non-metal · StoneCover LLC · MSHA ID 4202690
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Thorn Incorporated Thorn Pit No 1Abandoned 1978-04-01Surface metal/non-metal · Thorn Construction Inc-Thorn Rock Products · MSHA ID 4200408
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Thorn Spanish Fork PitAbandoned 1976-10-01Surface metal/non-metal · Thorn Inc · MSHA ID 4201171
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Tingeys PitAbandoned 1984-07-30Surface metal/non-metal · Tingeys Enterprises Inc · MSHA ID 4201265
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Traverse MountainAbandoned 2004-03-31Surface metal/non-metal · Inland Constructors, Inc. · MSHA ID 4202370
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Utah County Portable CrusherAbandoned 1989-05-04Surface metal/non-metal · Utah County Public Works · MSHA ID 4201372
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Wasatch MineralsAbandoned 2024-03-18Surface metal/non-metal · Wasatch Minerals, LLC · MSHA ID 4202660
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Water Lilly MineAbandoned 1982-12-09Underground metal/non-metal · Kennecott Minerals Company · MSHA ID 4201377
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Wood's PitAbandoned 2003-09-02Surface metal/non-metal · Intermountain Excavating · MSHA ID 4202109
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Woods Pit Or Valley Asphalt Utah CountyAbandoned 1983-01-25Surface metal/non-metal · Valley Asphalt Inc · MSHA ID 4201112
Status and date are as reported to MSHA by the operator. Each mine's own page carries its accident, citation and inspection record.
| Feature type | Features |
|---|---|
| Prospect Pit | 1,151 |
| Adit | 412 |
| Mine Shaft | 202 |
| Gravel Pit | 96 |
| Gravel Pit | 50 |
| Mine Dump | 47 |
| Open Pit Mine | 24 |
| Gravel/Borrow Pit - Undifferentiated | 21 |
| Quarry | 19 |
| Open Pit Mine or Quarry | 15 |
| Tailings - Pond | 12 |
| P1 Portals | 10 |
| Clay Pit | 8 |
| P1 Vertical Openings | 7 |
| Clay Pit | 7 |
| Open Pit Mine | 5 |
| Gravel/Borrow Pit - Undifferentiated | 5 |
| Quarry | 4 |
| Disturbed Surface - Pit | 4 |
| Disturbed Surface | 4 |
| Tailings - Undifferentiated | 3 |
| Borrow Pit | 3 |
| P1 Subsidence | 2 |
| Slag Pile | 2 |
| Strip Mine | 1 |
| Quarry - Pumice | 1 |
A USGS feature is a symbol on a historical topographic map, there when the map was surveyed; it may since have been sealed, reclaimed, built over or reopened as a working mine, and the map does not say which. An OSMRE row is a problem the abandoned mine land program tracks, not a mine. An MSHA mine is a registered operation whose operator reported abandonment, a record that starts in the 1970s. The three overlap and are never added together. The county is assigned from each feature's coordinates against the Census 2023 county boundaries. The full method is on the national page.
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USGS, Consolidated Prospect- and Mine-Related Features from 7.5- and 15-Minute Topographic Quadrangle Maps of the United States (USMIN)
597,612 point and area features digitized from about 106,350 historical topographic maps published 1886–2006; public domain (CC0). A feature is a map symbol, not a field-verified site, and the map does not say whether it was still worked.
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USGS Fact Sheet 2025–3003, The Abandoned Mine Inventory of the United States
States that as of 2025 there is no comprehensive national inventory of abandoned mine features, and that the detailed national database now being built will not be published.
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OSMRE, Abandoned Mine Land Inventory System (e-AMLIS), public Problems layer
One row per abandoned mine land problem in a problem area, with its type, funding program and reclamation status; mostly coal mined before the 1977 Surface Mining Control and Reclamation Act. Coordinates are the problem area's.
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MSHA, Mines dataset (Mine Data Retrieval System)
Every mine registered with MSHA since the 1970s; a mine reads Abandoned or Abandoned and Sealed when its operator reported that status. Refreshed weekly.
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US Census Bureau, 2023 cartographic county boundaries (1:500,000)
Each feature's county is assigned by its coordinates against these boundaries, not copied from the source file.
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GAO-20-238, Abandoned Hardrock Mines (March 2020)
Federal agencies had identified at least 140,000 abandoned hardrock mine features on federal land and estimated more than 390,000 more not yet captured in their databases.
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Abandoned Hardrock Mine Reclamation (AHMR) Program, US Department of the Interior
The program the USGS inventory is compiled for. Its appropriations and the 674,000 field-confirmed feature count on this page were provided by the program manager, Office of Environmental Policy and Compliance, and are cited with permission (2026-09-08).
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IMCC-NAAMLP Hardrock AML Report
Page 48 carries the two figures this page leans on: USGS estimates 633,181 of the 725,690 mine features it recorded from historic topographic maps, 87 percent, are hardrock; and state and federal agencies have submitted more than 724,000 AML features to the national database being built, already more than the historic maps hold. Year-by-year AHMR funding is on page 35.