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Abandoned mines › Alaska
Abandoned mine inventory

Abandoned mines in Cook Inlet Susitna, Alaska

Cook Inlet Susitna, Alaska has no mine or prospect features in the USGS topographic-map compilation. MSHA's register carries 51 mines in the county with status Abandoned or Abandoned and Sealed.

Every mine and prospect feature the USGS digitized from historical topographic maps covering Cook Inlet Susitna, 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)
0
Mine openings
0
OSMRE problems unreclaimed
0
MSHA mines marked abandoned
51
0 MSHA mines abandoned and sealed
MSHA-registered mines with status Abandoned51 on register
  1. A & G Pit
    Surface metal/non-metal · R C J Enterprises · MSHA ID 5000236
    Abandoned
  2. A B I Cement Plant
    Facility metal/non-metal · Anchorage Sand & Gravel Company Inc · MSHA ID 5001449
    Abandoned
  3. A-Plus Concrete
    Surface metal/non-metal · A-Plus Concrete · MSHA ID 5001475
    Abandoned
  4. A-Plus Concrete
    Surface metal/non-metal · A-Plus Concrete · MSHA ID 5001529
    Abandoned
  5. Alaska Brick Pit
    Surface metal/non-metal · H & H Trucking · MSHA ID 5001321
    Abandoned
  6. Alaska Peat
    Surface metal/non-metal · Alaska Peat Inc · MSHA ID 5001268
    Abandoned
  7. Anderson Pit
    Surface metal/non-metal · Hermon Brothers Construction Company · MSHA ID 5001184
    Abandoned
  8. Bryant Pit
    Surface metal/non-metal · Basil Bryant · MSHA ID 5000946
    Abandoned
  9. Cash Concrete & Gravel
    Surface metal/non-metal · Cash Concrete & Gravel · MSHA ID 5001525
    Abandoned
  10. Castle Pit
    Surface metal/non-metal · Stephan & Sons Inc · MSHA ID 5000501
    Abandoned
  11. Chunilna Creek Mine
    Surface metal/non-metal · Enserch Exploration Inc · MSHA ID 5001443
    Abandoned
  12. Comstat Quarry
    Surface metal/non-metal · Nealy Brothers Contracting Alaska Corp · MSHA ID 5001293
    Abandoned
  13. Consteel Pit & Plant
    Surface metal/non-metal · Consteel · MSHA ID 5001420
    Abandoned
  14. Eagle Dome Pit
    Surface metal/non-metal · Eagle Dome Aggregate Inc · MSHA ID 5001472
    Abandoned
  15. Eklutna Pit
    Surface metal/non-metal · Wilder Construction Company · MSHA ID 5001446
    Abandoned
  16. El Jay Crusher
    Surface metal/non-metal · Rogers & Babler · MSHA ID 5000681
    Abandoned
  17. Evenson Pit
    Surface metal/non-metal · Evenson Company · MSHA ID 5000682
    Abandoned
  18. Fairview Loop Road Pit
    Surface metal/non-metal · Matanuska Redi-Mix Concrete · MSHA ID 5001218
    Abandoned
  19. Fern Mine
    Underground metal/non-metal · Fern Operating Company · MSHA ID 5001306
    Abandoned
  20. Gebhart Pit
    Surface metal/non-metal · Anchorage Sand & Gravel Company Inc · MSHA ID 5000716
    Abandoned
  21. Golden Zone
    Underground metal/non-metal · Hawley Resource Group Inc · MSHA ID 5001453
    Abandoned
  22. Gravel Pit
    Surface metal/non-metal · W W Enterprises · MSHA ID 5001474
    Abandoned
  23. Hazenag Recycle Crusher
    Surface metal/non-metal · Anchorage Sand & Gravel Company Inc · MSHA ID 5001586
    Abandoned
  24. Hilltop Sand & Gravel Portable Screening
    Surface metal/non-metal · Hilltop Sand & Gravel · MSHA ID 5001568
    Abandoned
  25. Independence Mine
    Underground metal/non-metal · Enserch Exploration Inc · MSHA ID 5001309
    Abandoned
  26. Juneau Bowl
    Underground metal/non-metal · Juneau Bowl Mining Company · MSHA ID 5001460
    Abandoned
  27. Kincaid Pit
    Surface metal/non-metal · World Equipment Company Inc · MSHA ID 5000500
    Abandoned
  28. Lake Otis Plant
    Surface metal/non-metal · Anchorage Sand & Gravel Company Inc · MSHA ID 5000440
    Abandoned
  29. Matanuska River Pit
    Surface metal/non-metal · Hermon Brothers Construction Company · MSHA ID 5001183
    Abandoned
  30. Mile 126 Pit
    Surface metal/non-metal · Wilder Construction Company · MSHA ID 5001466
    Abandoned
  31. Moffitt Pit
    Surface metal/non-metal · Moffitt Contracting · MSHA ID 5000704
    Abandoned
  32. Ms 42-1-041-1 Pit
    Surface metal/non-metal · Wilder Construction Company · MSHA ID 5001192
    Abandoned
  33. Ms42-1-039-1 Pit
    Surface metal/non-metal · M-B Contracting Co Inc · MSHA ID 5001219
    Abandoned
  34. Northern Steel Pit
    Surface metal/non-metal · Northern Steel Corp · MSHA ID 5000502
    Abandoned
  35. Parks #1 Pit
    Surface metal/non-metal · Northern Sand & Gravel Inc · MSHA ID 5001221
    Abandoned
  36. Petersville Placer Mine
    Surface metal/non-metal · C E Bergland · MSHA ID 5001253
    Abandoned
  37. Pioneer Plant
    Surface metal/non-metal · Cook Inlet Asphalt Inc · MSHA ID 5001251
    Abandoned
  38. Point Campbel Pit
    Surface metal/non-metal · Northwestern Construction Inc · MSHA ID 5001316
    Abandoned
  39. Quality Mill
    Facility metal/non-metal · Quality Sand & Gravel Inc · MSHA ID 5001323
    Abandoned
  40. Sand Lake Pit & Mill
    Surface metal/non-metal · Sand Lake Aggregate Inc · MSHA ID 5000703
    Abandoned
  41. Sand Lake Road Pit
    Surface metal/non-metal · Stephan & Sons Inc · MSHA ID 5000439
    Abandoned
  42. Seaview Pit
    Surface metal/non-metal · Seaview Inc · MSHA ID 5000711
    Abandoned
  43. Slippery Rock Mine
    Surface metal/non-metal · Slippery Rock Mining Company · MSHA ID 5001422
    Abandoned
  44. Snow Pit #1
    Surface metal/non-metal · Big Lake Sand & Gravel Inc · MSHA ID 5001191
    Abandoned
  45. Spring Creek Mine
    Surface metal/non-metal · Stephan & Sons Inc · MSHA ID 5000718
    Abandoned
  46. Superior Concrete Pit & Plant
    Surface metal/non-metal · Superior Concrete Company · MSHA ID 5000441
    Abandoned
  47. Telesmith Crusher
    Surface metal/non-metal · Rogers & Babler · MSHA ID 5001495
    Abandoned
  48. Timberline Mine
    Surface metal/non-metal · Timberline Mining Company Inc · MSHA ID 5001395
    Abandoned
  49. Valley Portable Plant
    Surface metal/non-metal · Valley Sand & Gravel Inc · MSHA ID 5001533
    Abandoned
  50. Wilder Sandlake Pit
    Surface metal/non-metal · Wilder Construction Company · MSHA ID 5001285
    Abandoned
  51. Willow Creek Mill
    Facility metal/non-metal · Enserch Exploration Inc · MSHA ID 5001442
    Abandoned

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

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How to read these numbers

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.

Sources
  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.