| Deposit ID | 10232572 |
|---|---|
| MAS/MILS ID | 0261039007 |
| Record type | Site |
| Current site name | Cleveland-Cliffs Humboldt Plnt |
| Point of reference | Plant |
|---|---|
| Geographic coordinates: | -87.89723, 46.4875 (WGS84) |
| Elevation | 488 |
| Location accuracy | 100(meters) |
Political divisions (FIPS codes)
Marquette(county)
Michigan(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Republic(quadrangle 1:24,000 scale)
Gwinn(quadrangle 1:100,000 scale)
Marquette(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Escanaba(hydrologic unit)
Northwestern Lake Michigan(hydrologic accounting unit)
Northwestern Lake Michigan(hydrologic subregion)
Great Lakes(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Michigan | Marquette |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Michigan | 047 N | 029 W | 11 | C | Michigan |
| Commodity | Importance |
|---|---|
| Iron | Primary |
| Plant (1) | -87.89723, 46.4875 |
|---|
| Operation type | Processing Plant |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Significant | No |
| Ownership category | Private |
|---|
| Type | Operator |
|---|---|
| Owner | Cleveland-Cliffs Iron Co. |
| ID | 2000420 |
| Year | 1978 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0261039007 | |
| Mine Safety and Health Administration | MSHA | MSHA | 2000420 |
MSHA UPDATE 78
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 03-NOV-1983 | Eastern Field Operations Center (EFOC) | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
| Status | Active since 05/11/2012 |
|---|---|
| MSHA mine ID | 2000420 |
| Mine name (MSHA) | Humboldt Mill |
| Current operator | Eagle Mine LLC |
| Current controller (parent) | Lundin Mining Corporation |
| Mine type | Surface (Metal / non-metal) |
MSHA cross-reference per the original MRDS record. Mine status and operator reflect MSHA's last published Mines export (February 2025); MSHA's public bulk feed has been unavailable since, so this may be out of date. See the Mine Data Retrieval System for current status.
Open MSHA's Mine Data Retrieval System for inspections, accidents, and violations for this mine.
MRDS records operators as of each record's last update (≤ 2019). Some of the operators listed here have since changed hands or dissolved:
Curated by qvyshift.com from publicly-reported M&A activity (SEC filings, press releases, USGS Mineral Yearbooks). Not authoritative — verify against primary sources before relying on it. The MSHA panel above is the current authoritative source for actively-permitted mines.