| Deposit ID | 10172692 |
|---|---|
| MAS/MILS ID | 0300319002 |
| Record type | Site |
| Current site name | Three Forks Mill |
| Point of reference | Plant |
|---|---|
| Geographic coordinates: | -111.54475, 45.81021 (WGS84) |
| Location accuracy | 1000(meters) |
Political divisions (FIPS codes)
Gallatin(county)
Montana(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Three Forks SE(quadrangle 1:24,000 scale)
Bozeman(quadrangle 1:100,000 scale)
Bozeman(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Jefferson(hydrologic unit)
Missouri Headwaters(hydrologic accounting unit)
Missouri Headwaters(hydrologic subregion)
Missouri(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Montana | Gallatin |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Montana Principal | 001 N | 001 E | 25 | Montana |
| Commodity | Importance |
|---|---|
| Talc-Soapstone | Primary |
| Plant (1) | -111.54475, 45.81021 |
|---|
| Operation type | Processing Plant |
|---|---|
| Development status | Producer |
| Commodity type | Non-metallic |
| Significant | No |
| Ownership category | Unknown |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | Cyprus Mines Corp. |
| ID | 2400162 |
| Home office | Montana |
| Year | 1986 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0300319002 | |
| Mine Safety and Health Administration | MSHA | MSHA | 2400162 |
MESA
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 04-AUG-1992 | Western Field Operations Center (WFOC) | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
| Status | Active since 05/15/1974 |
|---|---|
| MSHA mine ID | 2400162 |
| Mine name (MSHA) | Three Forks Mill |
| Current operator | Magris Talc USA Inc. |
| Current controller (parent) | Magris Performance Materials Inc |
| Mine type | Facility (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MSHA's last published Mines export (February 2025); MSHA's public bulk feed has been unavailable since, so this may be out of date.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.