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Abandoned mines › Oregon
Abandoned mine inventory

Abandoned mines in Linn County, Oregon

Linn County, Oregon has 836 mine and prospect features on USGS topographic maps published 1941–1997, including 31 mine openings (shafts, adits and air shafts) and 25 prospect pits; 4 of the features carry a name on the map. MSHA's register carries 46 mines in the county with status Abandoned or Abandoned and Sealed.

Every mine and prospect feature the USGS digitized from historical topographic maps covering Linn 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)
836
Mine openings
31
OSMRE problems unreclaimed
0
MSHA mines marked abandoned
46
4 features carry a name25 prospect pits52 quadrangle maps, published 1941–1997 0 MSHA mines abandoned and sealed
What the features are
  1. Mine openings
    shafts, adits, air shafts, portals and vertical openings: the ways into underground workings
    31 3.7%
  2. Prospect pits and trenches
    shallow exploration diggings that never became a mine
    25 3.0%
  3. Mines and surface workings
    labelled mines, open pits, strip mines, placer and hydraulic workings
    27 3.2%
  4. Quarries, gravel and borrow pits
    construction-material and industrial-mineral extraction
    753 90.1%
Named features on the maps4 named · from the USGS compilation
Name on map Feature
Albany Mine Adit
Cinderella Mine Adit
North Star Mine Adit
North Star Mine Open Pit Mine

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.

MSHA-registered mines with status Abandoned46 on register
  1. 44 Mines
    Underground metal/non-metal · 44 Mines Corp · MSHA ID 3502570
    Abandoned
  2. A B C Crushing Pit & Plant
    Surface metal/non-metal · A B C Crushing · MSHA ID 3502996
    Abandoned
  3. Albany Rock Products
    Surface metal/non-metal · Knife River · MSHA ID 3500453
    Abandoned
  4. Bear Ridge Pit
    Surface metal/non-metal · Sierra Cascade Equipment Inc · MSHA ID 3503074
    Abandoned
  5. Big Mac
    Surface metal/non-metal · Big Minerals Inc · MSHA ID 3503100
    Abandoned
  6. COX QUARRY
    Surface metal/non-metal · A J Crushing Inc · MSHA ID 3503379
    Abandoned
  7. Crabtree Pit
    Surface metal/non-metal · Macdonald & Son Crushing · MSHA ID 3503043
    Abandoned
  8. Curtis Rock
    Surface metal/non-metal · Curtis Excavation, LLC · MSHA ID 3503883
    Abandoned
  9. FENIMORE AGGREGATE INC
    Surface metal/non-metal · Fenimore Aggregate Inc · MSHA ID 3503396
    Abandoned
  10. FORSLUND ROCK QUARRY INC
    Surface metal/non-metal · Forslund Rock Quarry Inc · MSHA ID 3500030
    Abandoned
  11. Fox Valley Rock Products
    Surface metal/non-metal · Fox Valley Rock Products · MSHA ID 3503344
    Abandoned
  12. G&G ROCK QUARRY
    Surface metal/non-metal · G & G Rock Quarry · MSHA ID 3503274
    Abandoned
  13. GLORY ROCK
    Surface metal/non-metal · Glory Rock · MSHA ID 3503461
    Abandoned
  14. Hogg Rock Quarry
    Surface metal/non-metal · J C Compton Company · MSHA ID 3503003
    Abandoned
  15. HUB CITY PIT
    Surface metal/non-metal · Morse Brothers Inc · MSHA ID 3502823
    Abandoned
  16. J B Rock Products Pit & Plant
    Surface metal/non-metal · J B Rock Products · MSHA ID 3500544
    Abandoned
  17. Johnson'S Pit
    Surface metal/non-metal · Johnson & Associates · MSHA ID 3502908
    Abandoned
  18. Knight Pit
    Surface metal/non-metal · Morse Brothers Inc · MSHA ID 3503082
    Abandoned
  19. Lebanon Pit & Plant
    Surface metal/non-metal · Morse Brothers Inc · MSHA ID 3500509
    Abandoned
  20. Little Nash Crater Pit
    Surface metal/non-metal · Oregon Department of Transportation · MSHA ID 3503636
    Abandoned
  21. Mack M Slate Quarry
    Surface metal/non-metal · Mack M Slate Inc · MSHA ID 3503359
    Abandoned
  22. Mari-Linn Pit & Plant
    Surface metal/non-metal · Riverside Rock Inc · MSHA ID 3500987
    Abandoned
  23. Mc Nutt Pit
    Surface metal/non-metal · Morse Brothers Inc · MSHA ID 3500496
    Abandoned
  24. Minto Quarry
    Surface metal/non-metal · Sierra Cascade Equipment Inc · MSHA ID 3502879
    Abandoned
  25. Mobile Crusher
    Surface metal/non-metal · Rock Products Inc · MSHA ID 3502978
    Abandoned
  26. NISSEN PIT
    Surface metal/non-metal · A J Crushing Inc · MSHA ID 3503522
    Abandoned
  27. PAETSCH PIT
    Surface metal/non-metal · Morse Brothers Inc · MSHA ID 3502907
    Abandoned
  28. Plant 2
    Surface metal/non-metal · R & L Excavating, Inc. · MSHA ID 3503851
    Abandoned
  29. Plant 3
    Surface metal/non-metal · R & L Excavating Inc. · MSHA ID 3503910
    Abandoned
  30. Plant 4
    Surface metal/non-metal · R&L Excavating, Inc. · MSHA ID 3503916
    Abandoned
  31. Portable 1
    Surface metal/non-metal · Jeppsen Excavating, LLC · MSHA ID 3503958
    Abandoned
  32. Portable Crushing Plant #1
    Surface metal/non-metal · L & H Grading Inc · MSHA ID 3503415
    Abandoned
  33. Portable Crushing Plant #2
    Surface metal/non-metal · L & H Grading Inc · MSHA ID 3503653
    Abandoned
  34. Portable Crushing Unit
    Surface metal/non-metal · Treeco Farms Inc · MSHA ID 3503963
    Abandoned
  35. Portable Jaw
    Surface metal/non-metal · Ron Staley Road Construction, Inc. · MSHA ID 3503745
    Abandoned
  36. River Road Pit
    Surface metal/non-metal · Barringer & Associates Inc · MSHA ID 3502866
    Abandoned
  37. Santiam Jct Pit
    Surface metal/non-metal · Portable Rock Production Company Inc · MSHA ID 3502581
    Abandoned
  38. Santiam Y Cinder Pit
    Surface metal/non-metal · Portable Rock Production Company Inc · MSHA ID 3502575
    Abandoned
  39. Scott Pit
    Surface metal/non-metal · La Ro Lumber Company · MSHA ID 3502635
    Abandoned
  40. Slate Pit
    Surface metal/non-metal · Hardrock Quarry Inc · MSHA ID 3502984
    Abandoned
  41. VALLEY MATERIALS INC
    Surface metal/non-metal · Valley Materials Inc · MSHA ID 3503524
    Abandoned
  42. White Bull Pit
    Surface metal/non-metal · U S Forest Service · MSHA ID 3502799
    Abandoned
  43. Wilkinson Quarry
    Surface metal/non-metal · R&M Rock, LLC · MSHA ID 3503723
    Abandoned
  44. Willamette Valley Sand And Gravel
    Surface metal/non-metal · Willamette Valley Sand & Gravel · MSHA ID 3503067
    Abandoned
  45. Willey Creek Pit
    Surface metal/non-metal · Cascade Timber Consulting Inc · MSHA ID 3503743
    Abandoned
  46. Young & Morgan Crushing Company
    Surface metal/non-metal · Sierra Cascade Equipment Inc · MSHA ID 3502910
    Abandoned

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

By source vocabularythe publishers' own terms
Feature type Features
Quarry 354
Borrow Pit 195
Gravel Pit 153
Adit 31
Prospect Pit 25
Open Pit Mine or Quarry 23
Quarry 17
Gravel Pit 11
Borrow Pit 9
Quarry - Rock 4
Sand and Gravel Pit 3
Cinder Pit 3
Quarry - Rock 3
Open Pit Mine 2
Disturbed Surface 2
Gravel/Borrow Pit - Undifferentiated 1
Other counties in OregonAll counties →
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.