Abandoned mines in Sierra County, New Mexico

1. Mine openings

   shafts, adits, air shafts, portals and vertical openings: the ways into underground workings
   569 37.8%
2. Prospect pits and trenches

   shallow exploration diggings that never became a mine
   807 53.6%
3. Mines and surface workings

   labelled mines, open pits, strip mines, placer and hydraulic workings
   64 4.2%
4. Quarries, gravel and borrow pits

   construction-material and industrial-mineral extraction
   53 3.5%
5. Dumps, tailings, spoil and gob

   what mining left above ground
   13 0.9%
6. Other reclamation problems

   highwalls, subsidence, polluted or clogged water, fires, slides and gases in OSMRE's inventory
   1 0.1%

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 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.

1. Aragon Hill Mine

   Surface metal/non-metal · Rainbow Mines Ltd · MSHA ID 2901817
   Abandoned 1990-12-17
2. Aragon Pit

   Surface metal/non-metal · Aragon Recovery Systems · MSHA ID 2901670
   Abandoned 1980-08-11
3. Arrowhead Placers

   Surface metal/non-metal · Stear Mining Company · MSHA ID 2901930
   Abandoned 1984-08-02
4. B & K Mill

   Facility metal/non-metal · B & K Mining Corp · MSHA ID 2901784
   Abandoned 1980-02-06
5. Bigelow

   Underground metal/non-metal · Copper Hills Company · MSHA ID 2901832
   Abandoned 1982-05-06
6. Black Colt

   Underground metal/non-metal · Capitan Resources Inc · MSHA ID 2901769
   Abandoned 1981-06-09
7. Blackhawk Mine

   Underground metal/non-metal · Stear Mining Company · MSHA ID 2901839
   Abandoned 1983-02-14
8. Bullion Mines

   Surface metal/non-metal · North Sierra Mining Company · MSHA ID 2901262
   Abandoned 1989-01-31
9. Chance

   Underground metal/non-metal · Hydro Resource · MSHA ID 2901770
   Abandoned 1990-06-19
10. Cmc Research & Development

    Surface metal/non-metal · Camilto Management Company · MSHA ID 2901884
    Abandoned 1982-08-03
11. Copper Flat

    Surface metal/non-metal · Copper Flat Partnership · MSHA ID 2901520
    Abandoned 1986-06-23
12. Coyote Cliff #1

    Surface metal/non-metal · Coyote Cliff LLC · MSHA ID 2902299
    Abandoned 2020-05-27
13. Coyote Cliff #2

    Surface metal/non-metal · Coyote Cliff LLC · MSHA ID 2902298
    Abandoned 2020-05-27
14. Cuchillo Creek Mine

    Surface metal/non-metal · Humphrey Sand, Gravel & Redi Mix, Inc. · MSHA ID 2902241
    Abandoned 2004-01-07
15. Cuchillo Pit

    Surface metal/non-metal · Loomis Construction Company Inc · MSHA ID 2901782
    Abandoned 1981-06-22
16. CUCHILLO PIT

    Surface metal/non-metal · Bartoo Sand & Gravel Inc · MSHA ID 2901392
    Abandoned 2021-01-28
17. Delores Placer

    Surface metal/non-metal · James F Mc Cants · MSHA ID 2901263
    Abandoned 1980-07-17
18. Doolittle Pit

    Surface metal/non-metal · Jackson'S Earth Moving · MSHA ID 2902044
    Abandoned 1993-08-02
19. Dutch Gulch

    Surface metal/non-metal · Dutch Gulch Company · MSHA ID 2901698
    Abandoned 1979-04-05
20. Franklin No 1

    Surface metal/non-metal · Austin Mining Co Inc · MSHA ID 2901532
    Abandoned 1978-08-08
21. Gardner Pit

    Surface metal/non-metal · A J Gilbert Construction Company · MSHA ID 2901842
    Abandoned 1981-05-05
22. Garfield Quarry

    Surface metal/non-metal · St. Cloud Mining Co. · MSHA ID 2902244
    Abandoned 2004-01-02
23. Gold Fever #5

    Surface metal/non-metal · Davis Mining · MSHA ID 2902121
    Abandoned 1994-05-12
24. Goldco

    Surface metal/non-metal · Goldco · MSHA ID 2902013
    Abandoned 1987-01-01
25. Granite Peak Mine

    Underground metal/non-metal · Drolte Mining Company · MSHA ID 2901531
    Abandoned 1986-06-18
26. Grubstake Mining & Exploration Incorpora

    Surface metal/non-metal · Grubstake Mining & Exploration Inc · MSHA ID 2902077
    Abandoned 1995-12-13
27. Henry Blue Moon Mine

    Surface metal/non-metal · Grande River Mines Inc · MSHA ID 2902082
    Abandoned 1993-03-29
28. Hermosa Project

    Underground metal/non-metal · Triple S Mining Company Inc · MSHA ID 2901866
    Abandoned 1984-02-21
29. HUMPHREY SAND GRAVEL & REDI MIX

    Surface metal/non-metal · Humphrey Sand Gravel & Redi Mix · MSHA ID 2901007
    Abandoned 1998-03-25
30. Ivanhoe

    Underground metal/non-metal · Ivanhoe Emporia Mines · MSHA ID 2901937
    Abandoned 1988-07-01
31. Ivanhoe-Emporia

    Underground metal/non-metal · St Cloud Mining Company · MSHA ID 2901938
    Abandoned 1988-06-13
32. J.A. Gamboa Materials

    Surface metal/non-metal · J.A. Gamboa Materials · MSHA ID 2902350
    Abandoned 2010-02-25
33. Ladder #1 Golden Gulch Mining Company

    Surface metal/non-metal · Dynapac Inc - Golden Gulch Inc · MSHA ID 2901931
    Abandoned 1986-09-24
34. Ladder One Mill

    Facility metal/non-metal · Jenny Mining Inc · MSHA ID 2901956
    Abandoned 1984-09-10
35. Little Granite Mine

    Underground metal/non-metal · Anglo-Asian Minerals Ltd · MSHA ID 2901844
    Abandoned 1984-11-06
36. Lost Arrowhead

    Surface metal/non-metal · David L Mc Cravey Company · MSHA ID 2901421
    Abandoned 1979-10-10
37. Mapo Canyon

    Surface metal/non-metal · Turtleback Mountain Partners, LLC · MSHA ID 2902302
    Abandoned 2007-10-02
38. Margery Mine

    Underground metal/non-metal · Trans-World Metals Inc · MSHA ID 2901777
    Abandoned 1982-06-30
39. Mountain States Crusher 1830

    Surface metal/non-metal · Mountain States Constructors Inc · MSHA ID 2902274
    Abandoned 2025-09-09
40. MUD MOUNTAIN QUARRY

    Surface metal/non-metal · Sandy Jones Construction · MSHA ID 2902211
    Abandoned 2000-12-08
41. Oro Plata Mill

    Facility metal/non-metal · Stear Mining Company · MSHA ID 2901885
    Abandoned 1983-02-14
42. Poco A Poco

    Surface metal/non-metal · Embree H Hale Jr · MSHA ID 2901855
    Abandoned 1992-10-20
43. Portable #4

    Surface metal/non-metal · H & H Brosious LLC · MSHA ID 2902400
    Abandoned 2010-04-01
44. Portable Crusher

    Surface metal/non-metal · Peter Kiewit Sons' Company · MSHA ID 2901827
    Abandoned 1981-07-16
45. Portable Crusher

    Surface metal/non-metal · St Cloud Mining Company · MSHA ID 2902139
    Abandoned 2009-08-31
46. Portable Crusher #1

    Surface metal/non-metal · ASAP Excavation LLC · MSHA ID 2902363
    Abandoned 2009-07-17
47. PORTABLE SCREEN PLT

    Surface metal/non-metal · E B Pollister · MSHA ID 2902079
    Abandoned 2001-06-25
48. Prospect N Mine

    Underground metal/non-metal · Picom Corp Ltd · MSHA ID 2901904
    Abandoned 1988-03-28
49. Rattlesnake

    Underground metal/non-metal · Sierra Corp · MSHA ID 2901958
    Abandoned 1990-06-20
50. Riprap Machine (Plant)

    Surface metal/non-metal · St Cloud Mining Company · MSHA ID 2902384
    Abandoned 2009-08-31
51. S & S Mining Company

    Surface metal/non-metal · S & S Mining Company · MSHA ID 2901905
    Abandoned 1995-06-22
52. Screening Plant

    Surface metal/non-metal · Bill Hopkins · MSHA ID 2902217
    Abandoned 2010-01-10
53. SCREENING PLANT

    Surface metal/non-metal · Hopkins Gravel · MSHA ID 2902214
    Abandoned 2006-08-21
54. Shandon Placer Mine

    Surface metal/non-metal · Nuclear Power Ltd · MSHA ID 2901799
    Abandoned 1981-08-12
55. Sherman Mine And Plant

    Surface metal/non-metal · W N Ackerman · MSHA ID 2901569
    Abandoned 1979-05-16
56. Silver Monument

    Underground metal/non-metal · Shamrock Mining Resouces · MSHA ID 2901773
    Abandoned 1983-02-03
57. Spaceport 1

    Surface metal/non-metal · CMC Construction, Inc. · MSHA ID 2902404
    Abandoned 2012-03-16
58. St Cloud

    Underground metal/non-metal · St Cloud Mining Company · MSHA ID 2901869
    Abandoned 1989-12-19
59. ST CLOUD MILL

    Facility metal/non-metal · St Cloud Mining Company · MSHA ID 2901919
    Abandoned 1999-09-07
60. St Cloud Underground

    Underground metal/non-metal · St Cloud Mining Company · MSHA ID 2900944
    Abandoned 1992-06-22
61. Stone House Zeolite Mine

    Surface metal/non-metal · St Cloud Mining Company · MSHA ID 2902061
    Abandoned 1991-05-01
62. The Bonanza Mine

    Underground metal/non-metal · Gold Ventures Inc · MSHA ID 2901988
    Abandoned 1985-07-11
63. U S Treasury

    Surface metal/non-metal · Fulton Associates · MSHA ID 2901264
    Abandoned 1987-01-30
64. U S Treasury Mine

    Underground metal/non-metal · St Cloud Mining Company · MSHA ID 2901920
    Abandoned 1988-02-22
65. Weber

    Surface metal/non-metal · Fulton Associates · MSHA ID 2901011
    Abandoned 1987-03-30
66. Wicks Gold Mine Ltd

    Surface metal/non-metal · Wicks Gold Mine Ltd · MSHA ID 2901947
    Abandoned 1987-03-31
67. William Harding Mines

    Surface metal/non-metal · William Harding Mining Company · MSHA ID 2901381
    Abandoned 1979-04-05
68. Yaple Creek Pit

    Surface metal/non-metal · Yaple Creek Sand & Gravel · MSHA ID 2900425
    Abandoned 1989-09-06

Status and date are as reported to MSHA by the operator. Each mine's own page carries its accident, citation and inspection record.

• Grant County 5,221
• Hidalgo County 1,747
• Socorro County 1,259
• Luna County 1,164
• Lea County 890
• Lincoln County 803
• Sandoval County 650
• McKinley County 621
• Eddy County 591
• Santa Fe County 566
• Doña Ana County 482
• Colfax County 343

1. 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.
2. 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.
3. 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.
4. 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.
5. 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.
6. 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.
7. 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).
8. 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.