| Deposit ID | 10164752 |
|---|---|
| MAS/MILS ID | 0060610001 |
| Record type | Site |
| Current site name | Lincoln Clay Pit and Mill |
| Alternate or previous names | Philadelphia Fluorspar Deposit |
| Point of reference | Trench |
|---|---|
| Geographic coordinates: | -120.78773, 39.20179 (WGS84) |
| Elevation | 1333 |
| Location accuracy | 1000(meters) |
Political divisions (FIPS codes)
Placer(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Dutch Flat(quadrangle 1:24,000 scale)
Truckee(quadrangle 1:100,000 scale)
Chico(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
North Fork American(hydrologic unit)
Lower Sacramento(hydrologic accounting unit)
Sacramento(hydrologic subregion)
California(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | California | Placer |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 016 N | 011 E | 31 | California |
| Commodity | Importance |
|---|---|
| Clay | Tertiary |
| Trench (1) | Undivided pre-Cenozoic metavolcanic rocks, unit 2 (undivided) |
|---|
| Operation type | Surface |
|---|---|
| Development status | Producer |
| Commodity type | Non-metallic |
| Significant | No |
| Type of mineral rights | Unknown |
|---|
| Type | Unknown |
|---|---|
| Owner | J. Garrity |
| ID | 400556 |
| Home office | California |
| Year | 1973 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0060610001 | |
| Mine Safety and Health Administration | MSHA | MSHA | 0400556 |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 22-MAY-1986 | Johnson | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
| Status | Abandoned since 01/31/2014 |
|---|---|
| MSHA mine ID | 0400556 |
| Mine name (MSHA) | GMcB Clay Products |
| Current operator | Gladding McBean |
| Current controller (parent) | Pacific Coast Building Products Inc |
| 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MSHA's last published Mines export (February 2025); MSHA's public bulk feed has been unavailable since, so this may be out of date.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.
These are landing pages for further research — the state agencies don't currently expose per-mine deep links.