Abandoned mines in Oneida County, Wisconsin
Oneida County, Wisconsin has 196 mine and prospect features on USGS topographic maps published 1965–1982. MSHA's register carries 17 mines in the county with status Abandoned or Abandoned and Sealed.
Every mine and prospect feature the USGS digitized from historical topographic maps covering Oneida 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)
- 196
- Mine openings
- 0
- OSMRE problems unreclaimed
- 0
- MSHA mines marked abandoned
- 17
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4 2.0%Mines and surface workingslabelled mines, open pits, strip mines, placer and hydraulic workings
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192 98.0%Quarries, gravel and borrow pitsconstruction-material and industrial-mineral extraction
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Arnott Trucking PitsAbandoned 1980-09-15Surface metal/non-metal · Arnott Trucking · MSHA ID 4702669
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County H PitAbandoned 2022-09-19Surface metal/non-metal · Superior Excavating & Concrete, LLC. · MSHA ID 4703919
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Crusher 5Abandoned 2024-09-05Surface metal/non-metal · Pitlik & Wick, Inc. · MSHA ID 4703830
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Crusher 6Abandoned 2024-10-01Surface metal/non-metal · Pitlik & Wick, Inc. · MSHA ID 4703199
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Flannery Materials, LLC.Abandoned 2026-07-28Surface metal/non-metal · Flannery Materials, LLC. · MSHA ID 4703799
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Lassig MillAbandoned 1985-08-30Surface metal/non-metal · Lassig Ready Mix Inc · MSHA ID 4702014
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Lund PitAbandoned 1984-08-17Surface metal/non-metal · R M Hinze Inc · MSHA ID 4702720
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Pit Development - Pit ReclamationAbandoned 2023-11-15Surface metal/non-metal · Pitlik & WIck, Inc. · MSHA ID 4703331
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PLANT #1Abandoned 2002-08-19Surface metal/non-metal · Gensler Excavating & Crushing Inc · MSHA ID 4703268
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Plant #5 (Allis 6000)Abandoned 2014-01-15Surface metal/non-metal · Duffek Sand & Gravel Inc · MSHA ID 4703177
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Portable PlantAbandoned 1985-09-17Surface metal/non-metal · Oneida County Highway Department · MSHA ID 4702105
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Rhinehart Construction Inc Pits (Cassi)Abandoned 1981-07-17Surface metal/non-metal · Rhinehart Construction Inc · MSHA ID 4702692
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Richardson PitAbandoned 1980-07-22Surface metal/non-metal · Alton Zettler Inc · MSHA ID 4701389
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Rock SeparatorAbandoned 2019-06-24Surface metal/non-metal · Pitlik & Wick, Inc. · MSHA ID 4703548
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Wash Plant 2Abandoned 2024-10-01Surface metal/non-metal · Pitlik & Wick, Inc. · MSHA ID 4703367
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Wilbert Storm PitsAbandoned 1984-08-06Surface metal/non-metal · Wilbert Storm Construction Inc · MSHA ID 4702612
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Winger PitAbandoned 2012-07-23Surface metal/non-metal · Winger Concrete Products Inc · MSHA ID 4700962
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 |
|---|---|
| Gravel Pit | 159 |
| Sand Pit | 18 |
| Gravel Pit | 14 |
| Disturbed Surface - Pit | 3 |
| Disturbed Surface | 1 |
| Sand Pit | 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.