| Deposit ID | 10174159 |
|---|---|
| MAS/MILS ID | 0320119003 |
| Record type | Site |
| Current site name | Dunphy Mill |
| Point of reference | Plant |
|---|---|
| Geographic coordinates: | -116.52733, 40.7085 (WGS84) |
| Location accuracy | 10(meters) |
Political divisions (FIPS codes)
Eureka(county)
Nevada(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Dunphy(quadrangle 1:24,000 scale)
Battle Mountain(quadrangle 1:100,000 scale)
Winnemucca(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Middle Humboldt(hydrologic unit)
Humboldt(hydrologic accounting unit)
Black Rock Desert-Humboldt(hydrologic subregion)
Great Basin(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Nevada | Eureka |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 033 N | 048 E | 26 | Nevada |
| Commodity | Importance |
|---|---|
| Barium-Barite Critical | Primary |
| Plant (1) | -116.52733, 40.7085 |
|---|
| Operation type | Processing Plant |
|---|---|
| Development status | Producer |
| Commodity type | Non-metallic |
| Significant | No |
| Type | Operator |
|---|---|
| Owner | N. L. Industries (Bariod Division) |
| ID | 2600412 |
| Home office | Nevada |
| Year | 1975 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0320119003 | |
| Mine Safety and Health Administration | MSHA | MSHA | 2600412 |
NEV. DIV. MINE INSPECTION, 1976, DIRECTORY OF NEVADA MINE
OPERATIONS ACTIVE DURING CALENDAR YEAR 1975, P. 23.
NEV. DIV. MINE INSPECTION, 1993, DIRECTORY OF NEVADA MINE
OPERATIONS ACTIVE DURING CALENDAR YEAR 1992, P. 33.
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAR-94 | Ridenour, James | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
| Status | Active since 12/06/2021 |
|---|---|
| MSHA mine ID | 2600412 |
| Mine name (MSHA) | DUNPHY MILL |
| Current operator | Halliburton Energy Services, Inc. |
| Current controller (parent) | Halliburton Company |
| 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MSHA's last published Mines export (February 2025); MSHA's public bulk feed has been unavailable since, so this may be out of date.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.
These are landing pages for further research — the state agencies don't currently expose per-mine deep links.