Abandoned mines in Snohomish County, Washington

1. Mine openings

   shafts, adits, air shafts, portals and vertical openings: the ways into underground workings
   38 14.0%
2. Prospect pits and trenches

   shallow exploration diggings that never became a mine
   17 6.2%
3. Mines and surface workings

   labelled mines, open pits, strip mines, placer and hydraulic workings
   5 1.8%
4. Quarries, gravel and borrow pits

   construction-material and industrial-mineral extraction
   212 77.9%

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.

1. 15 Mile Pit

   Surface metal/non-metal · Summit Timber Company · MSHA ID 4502898
   Abandoned 1981-09-24
2. AAA DIORITE QUARRY

   Surface metal/non-metal · AAA Monroe Rock Corp · MSHA ID 4502417
   Abandoned 2009-05-01
3. Anacortes Quarry

   Surface metal/non-metal · Lakeside Industries, Inc · MSHA ID 4501066
   Abandoned 2016-10-01
4. Arlanco Pit & Plant

   Surface metal/non-metal · W L Perry · MSHA ID 4502647
   Abandoned 1981-09-30
5. Arlington Heights Quarry

   Surface metal/non-metal · Snohomish County Road District · MSHA ID 4501151
   Abandoned 1979-08-08
6. Arlington Pit

   Surface metal/non-metal · Concrete Nor'West · MSHA ID 4500988
   Abandoned 1993-09-13
7. Arlington Wash Plant

   Surface metal/non-metal · Cadman Materials · MSHA ID 4503425
   Abandoned 2012-07-11
8. B A Gedstad Gravel Pit

   Surface metal/non-metal · B A Gedstad · MSHA ID 4502469
   Abandoned 1979-08-08
9. B N Pit

   Surface metal/non-metal · Cadman Concrete Company · MSHA ID 4503193
   Abandoned 1990-02-15
10. BIG BEAR QUARRY

    Surface metal/non-metal · Rominco Llc · MSHA ID 4500056
    Abandoned 2001-08-13
11. Black Chuck Pit Site

    Surface metal/non-metal · Olson & Taylor Trucking Inc · MSHA ID 4501968
    Abandoned 1981-08-24
12. Boulder Northwest Sand & Gravel

    Surface metal/non-metal · Boulder Northwest Sand & Gravel, LLC · MSHA ID 4503771
    Abandoned 2021-10-01
13. Builders Supply Pit & Plant

    Surface metal/non-metal · Builders Supply · MSHA ID 4502300
    Abandoned 1979-05-15
14. Cadman Incorporated

    Surface metal/non-metal · Cadman Inc · MSHA ID 4500712
    Abandoned 1993-12-27
15. Cagi Portable Crusher

    Surface metal/non-metal · Columbia Ready-Mix Inc · MSHA ID 4500674
    Abandoned 2005-02-08
16. CANADIAN CRUSHER

    Surface metal/non-metal · Okanogan Aggregates Ltd · MSHA ID 4503355
    Abandoned 1998-04-08
17. City Gravel Pit

    Surface metal/non-metal · City Of Snohomish · MSHA ID 4502794
    Abandoned 1982-08-17
18. Clay Pit

    Surface metal/non-metal · Clayburn Inc · MSHA ID 4500255
    Abandoned 1981-01-06
19. Coal Lake Pit And Mill

    Surface metal/non-metal · U S Forest Service · MSHA ID 4502091
    Abandoned 1977-12-03
20. Coe Pit

    Surface metal/non-metal · Snohomish County Public Works · MSHA ID 4500946
    Abandoned 1979-07-10
21. Conelly Pit

    Surface metal/non-metal · Lakeside Industries · MSHA ID 4501744
    Abandoned 1978-11-24
22. Crowsfoot No 1 Pit

    Surface metal/non-metal · U S Forest Service · MSHA ID 4502431
    Abandoned 1978-06-29
23. Crowsfoot No 2 Pit

    Surface metal/non-metal · U S Forest Service · MSHA ID 4502432
    Abandoned 1978-06-29
24. CRUSHER

    Surface metal/non-metal · Reece Bros Logging Inc · MSHA ID 4503477
    Abandoned 2007-06-14
25. CTI PORTABLE

    Surface metal/non-metal · City Transfer Inc · MSHA ID 4503248
    Abandoned 2001-08-27
26. D-193 Pit

    Surface metal/non-metal · Fiorito Brothers Inc · MSHA ID 4502796
    Abandoned 1982-12-01
27. Darrington Pit & Mill

    Surface metal/non-metal · Snohomish County Road District · MSHA ID 4502001
    Abandoned 1978-12-27
28. Dredger Processing

    Surface metal/non-metal · Wetlands Creation, Inc. · MSHA ID 4503602
    Abandoned 2020-05-05
29. Edinger Pit And Mill

    Surface metal/non-metal · Edinger Gravel Company · MSHA ID 4500621
    Abandoned 1978-12-29
30. Evans Creek Pit

    Surface metal/non-metal · Miller Shingle Company · MSHA ID 4502306
    Abandoned 1979-10-01
31. Evans Creek Pit #3

    Surface metal/non-metal · U S Forest Service · MSHA ID 4502307
    Abandoned 1978-05-24
32. Everett Pit

    Surface metal/non-metal · M A Segale Inc · MSHA ID 4502738
    Abandoned 1980-08-29
33. Everett Pit & Plant

    Surface metal/non-metal · Cadman Materials Inc · MSHA ID 4500577
    Abandoned 2019-04-02
34. Everett Pit & Plant

    Surface metal/non-metal · M A Segale Inc · MSHA ID 4502651
    Abandoned 1979-08-08
35. EXTEC #1

    Surface metal/non-metal · Pacific Road & Bridge · MSHA ID 4503457
    Abandoned 2004-08-17
36. Far Point

    Surface metal/non-metal · Far Point Sand & Gravel LLC · MSHA ID 4503549
    Abandoned 2004-08-17
37. Five Mile Andesite Quarry

    Surface metal/non-metal · Five Mile Quarry Co · MSHA ID 4503515
    Abandoned 2008-06-20
38. Getchell Pit

    Surface metal/non-metal · Snohomish County Public Works · MSHA ID 4501499
    Abandoned 1981-01-30
39. Getchell Pit

    Surface metal/non-metal · Cascade Roads Inc · MSHA ID 4502879
    Abandoned 1982-12-01
40. Gooch

    Surface metal/non-metal · Cadman (Redmond) Inc · MSHA ID 4501188
    Abandoned 1993-08-26
41. GRANDRIDGE

    Surface metal/non-metal · D-4 Care Inc · MSHA ID 4503385
    Abandoned 2000-12-11
42. Granite Falls Quarry

    Surface metal/non-metal · Iron Mountain Quarry · MSHA ID 4502665
    Abandoned 2004-11-10
43. GREEN CROW ROCK PRODUCTS

    Surface metal/non-metal · Roads West Construction Inc · MSHA ID 4503428
    Abandoned 2007-04-30
44. H R-700 Quarry

    Surface metal/non-metal · Weyerhaeuser Company · MSHA ID 4503036
    Abandoned 1985-06-21
45. Hammeren Pit

    Surface metal/non-metal · Hammeren Gravel Distributors Inc · MSHA ID 4503240
    Abandoned 1994-11-23
46. Hewitt Pit

    Surface metal/non-metal · Dis & Dat Construction Company · MSHA ID 4502600
    Abandoned 1982-10-28
47. Jonkers Placer

    Surface metal/non-metal · Gregory E Rogers · MSHA ID 4502849
    Abandoned 1982-04-29
48. Joplin Pit & Plant

    Surface metal/non-metal · Lakeside Industries · MSHA ID 4502009
    Abandoned 1995-01-13
49. Jordan Site

    Surface metal/non-metal · Concrete Nor'West · MSHA ID 4503668
    Abandoned 2013-04-30
50. Jorden Road Pit

    Surface metal/non-metal · Builders Rock Inc · MSHA ID 4502726
    Abandoned 1986-07-10
51. KUTZER ROCK CRUSHING

    Surface metal/non-metal · Kutzer Rock Crushing · MSHA ID 4503056
    Abandoned 1998-02-17
52. Lenz Enterprises Mobile Crushing

    Surface metal/non-metal · Lenz Enterprises Inc · MSHA ID 4503714
    Abandoned 2014-10-08
53. Lynnwood Pit And Plant

    Surface metal/non-metal · Lynnwood Sand & Gravel Incorporat · MSHA ID 4500620
    Abandoned 1979-01-08
54. M & S Pit

    Surface metal/non-metal · C Martin Trucking Inc · MSHA ID 4501340
    Abandoned 1979-11-02
55. MALTBY RESOURCES

    Surface metal/non-metal · Csr Associated Sand & Gravel Company Inc · MSHA ID 4503221
    Abandoned 1998-12-30
56. Mandan Sand & Gravel-Riverscene

    Surface metal/non-metal · Mandan Sand & Gravel · MSHA ID 4503105
    Abandoned 1995-08-16
57. May Creek Mine & Quarry

    Surface metal/non-metal · North Coast Miners · MSHA ID 4503025
    Abandoned 1986-09-08
58. Merrill Creek Pit

    Surface metal/non-metal · Merrill Creek Associates · MSHA ID 4500666
    Abandoned 1990-09-06
59. MONROE ROCK

    Surface metal/non-metal · AAA Monroe Rock Corp · MSHA ID 4500557
    Abandoned 2019-10-01
60. NW Sand & Gravel Inc

    Surface metal/non-metal · Nw Sand & Gravel Products Inc · MSHA ID 4503421
    Abandoned 2003-03-11
61. O'Brien Quarry

    Surface metal/non-metal · O'Brien Sand and Gravel Inc · MSHA ID 4503662
    Abandoned 2012-04-13
62. Olson Quarry

    Surface metal/non-metal · Olson & Taylor Inc · MSHA ID 4501341
    Abandoned 1981-01-14
63. Oso Quarry

    Surface metal/non-metal · Snohomish County Road District · MSHA ID 4501124
    Abandoned 1978-12-22
64. PILCHUCK AGGREGATES

    Surface metal/non-metal · Pilchuck Aggregates · MSHA ID 4503123
    Abandoned 1999-01-21
65. Pilchuck Pit

    Surface metal/non-metal · Snohomish Rock Products · MSHA ID 4502698
    Abandoned 1981-01-15
66. Pilchuck Quarry No 1

    Surface metal/non-metal · Pacific Denkmann Company · MSHA ID 4501347
    Abandoned 1979-08-08
67. Pilchuck Quarry No 2

    Surface metal/non-metal · Pacific Denkmann Company · MSHA ID 4501972
    Abandoned 1979-08-08
68. Pilchuck Roadside Pit

    Surface metal/non-metal · U S Forest Service · MSHA ID 4502429
    Abandoned 1978-06-29
69. Plant 1

    Surface metal/non-metal · Cascade H & A, L.L.C. · MSHA ID 4503736
    Abandoned 2021-10-01
70. Plant 3

    Surface metal/non-metal · Seegert Crushing · MSHA ID 4503803
    Abandoned 2024-10-10
71. Port Of Benton Pit

    Underground metal/non-metal · Midland Rock Products · MSHA ID 4502853
    Abandoned 1980-10-01
72. Port P-91 4242 Re-Circulating Impactor

    Surface metal/non-metal · Pacific Topsoils, Inc. · MSHA ID 4503630
    Abandoned 2007-08-29
73. Portable #P-77 Premiertrack Jaw Crusher

    Surface metal/non-metal · Pacific Topsoils, Inc. · MSHA ID 4503632
    Abandoned 2007-08-29
74. Portable #2

    Surface metal/non-metal · Cadman Materials Inc. · MSHA ID 4503692
    Abandoned 2018-07-20
75. Portable #P-86

    Surface metal/non-metal · Pacific Topsoils, Inc. · MSHA ID 4503631
    Abandoned 2009-04-27
76. Portable Crusher

    Surface metal/non-metal · Cemex Construction Materials Pacific LLC · MSHA ID 4503381
    Abandoned 2015-10-01
77. PORTABLE CRUSHER NO. 1

    Facility metal/non-metal · Olson & Taylor Inc · MSHA ID 4503106
    Abandoned 2002-08-28
78. Portable Plant #1

    Surface metal/non-metal · Meridian Aggregates Company · MSHA ID 4503058
    Abandoned 1985-12-23
79. PORTABLE WASH PLANT

    Surface metal/non-metal · Olson & Taylor Inc · MSHA ID 4503360
    Abandoned 1997-10-27
80. Proctor Creek Pit

    Surface metal/non-metal · Rinker Materials · MSHA ID 4502882
    Abandoned 2008-01-17
81. Pugh Ridge Quarry

    Surface metal/non-metal · U S Forest Service · MSHA ID 4502396
    Abandoned 1978-06-29
82. R-4 Pit

    Surface metal/non-metal · C Martin Trucking Inc · MSHA ID 4502780
    Abandoned 1985-09-24
83. Reiter Pit

    Surface metal/non-metal · Reiter Sand & Gravel Inc · MSHA ID 4503232
    Abandoned 1992-09-23
84. Reiter Pit

    Surface metal/non-metal · Scarsella Brothers Inc · MSHA ID 4503442
    Abandoned 2018-10-01
85. Riverside Pit & Mill

    Surface metal/non-metal · Riverside Sand & Gravel · MSHA ID 4500684
    Abandoned 1993-09-13
86. Ross Pit

    Surface metal/non-metal · Scarsella Bros., Inc. · MSHA ID 4503522
    Abandoned 2024-10-10
87. Rosselli Pit

    Surface metal/non-metal · Monroe Sand & Gravel · MSHA ID 4502173
    Abandoned 1979-05-15
88. Rotary Pit

    Surface metal/non-metal · U S Forest Service · MSHA ID 4502430
    Abandoned 1978-02-13
89. Safeway Pit

    Surface metal/non-metal · Harold Hanson · MSHA ID 4502881
    Abandoned 1982-10-28
90. Sand & Gravel Pit

    Surface metal/non-metal · Village Sand & Gravel · MSHA ID 4501386
    Abandoned 1983-11-29
91. Sand Hill Pit

    Surface metal/non-metal · Snohomish County Public Works · MSHA ID 4501143
    Abandoned 2016-01-06
92. Sandhill Or Sandhill Pit

    Surface metal/non-metal · Snohomish County Public Works · MSHA ID 4502676
    Abandoned 1986-09-10
93. Scotty Road Pit

    Surface metal/non-metal · O'Brien Sand & Gravel Inc · MSHA ID 4503612
    Abandoned 2009-07-22
94. Sea Mount Resources

    Surface metal/non-metal · Steve Gibson Trucking Inc · MSHA ID 4503563
    Abandoned 2004-08-04
95. SILVANA PLANT

    Surface metal/non-metal · Stanwood Redi-Mix Inc · MSHA ID 4500698
    Abandoned 2003-07-08
96. Simpson Pit

    Surface metal/non-metal · SSG Mineral Resources & Recycling, Inc. · MSHA ID 4503524
    Abandoned 2017-11-01
97. Skaglund Quarry

    Surface metal/non-metal · Art Skaglund · MSHA ID 4502759
    Abandoned 1983-11-29
98. Skaglund Quarry

    Surface metal/non-metal · A & E LLC · MSHA ID 4503603
    Abandoned 2023-09-05
99. Sky River Pit

    Surface metal/non-metal · Cadman (Rock) Inc · MSHA ID 4503014
    Abandoned 2013-04-30
100. Smoke Quarry

     Surface metal/non-metal · Cecil C Art & Beryl Smoke · MSHA ID 4502146
     Abandoned 1978-12-29
101. Snohomish County Pit And Mill

     Surface metal/non-metal · Snohomish County Road District · MSHA ID 4500694
     Abandoned 1978-12-12
102. SNOHOMISH SAND & GRAVEL

     Surface metal/non-metal · Snohomish Excavators · MSHA ID 4503324
     Abandoned 2005-01-04
103. Stilly Sand and Gravel

     Surface metal/non-metal · Stillaguamish Resources LLC · MSHA ID 4503699
     Abandoned 2022-08-01
104. Suiattle Pit

     Surface metal/non-metal · Summit Timber Company · MSHA ID 4502769
     Abandoned 1980-09-30
105. Summit Portable Crusher

     Surface metal/non-metal · Summit Timber Company · MSHA ID 4502768
     Abandoned 1995-08-16
106. Sunday Lake Pit

     Surface metal/non-metal · Snohomish County Road District · MSHA ID 4502355
     Abandoned 1978-06-15
107. Sunrise Mine

     Underground metal/non-metal · Century Exploration Inc · MSHA ID 4500888
     Abandoned 1982-11-18
108. Sunset Mine

     Underground metal/non-metal · Index Mining Company · MSHA ID 4501142
     Abandoned 1976-03-01
109. Trafton Quarry

     Surface metal/non-metal · Snohomish County Road District · MSHA ID 4501150
     Abandoned 1979-08-08
110. Turk Pit

     Surface metal/non-metal · Pacific Topsoils, Inc. · MSHA ID 4503715
     Abandoned 2016-10-07
111. Twin Rivers Quarry

     Surface metal/non-metal · Twin Rivers Quarry · MSHA ID 4500553
     Abandoned 1994-09-01
112. WILLARD AGGREGATES

     Surface metal/non-metal · Willard Aggregates · MSHA ID 4503383
     Abandoned 2001-08-13
113. Williams Pit

     Surface metal/non-metal · Harold Jordan Company Inc · MSHA ID 4500715
     Abandoned 1992-06-04
114. Windy Pass Bornite Mine

     Underground metal/non-metal · Unknown · MSHA ID 4502503
     Abandoned 1977-10-13

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

• Okanogan County 1,225
• Stevens County 1,033
• King County 638
• Cowlitz County 571
• Spokane County 448
• Lewis County 427
• Pierce County 422
• Ferry County 384
• Kittitas County 369
• Lincoln County 350
• Grant County 295
• Chelan County 292

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.