| Deposit ID | 10163608 |
|---|---|
| MAS/MILS ID | 0060450146 |
| Record type | Site |
| Current site name | Longvale Plant |
| Point of reference | Ore Body |
|---|---|
| Geographic coordinates: | -123.3097, 39.44126 (WGS84) |
| Elevation | 561 |
| Location accuracy | 1000(meters) |
Political divisions (FIPS codes)
Mendocino(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Willits(quadrangle 1:24,000 scale)
Ukiah(quadrangle 1:100,000 scale)
Ukiah(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Eel(hydrologic unit)
Northern California Coastal(hydrologic accounting unit)
Klamath-Northern California Coastal(hydrologic subregion)
California(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | California | Mendocino |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 018 N | 013 W | 04 | NWSW | California |
| Commodity | Importance |
|---|---|
| Sand and Gravel, Construction | Primary |
| Ore Body (1) | Franciscan Complex, unit 1 (Coast Ranges) |
|---|
| Operation type | Surface |
|---|---|
| Development status | Producer |
| Commodity type | Non-metallic |
| Significant | No |
| Ownership category | Private |
|---|
| Type | Operator |
|---|---|
| Owner | Meddocino Aggregates Division Of Absco Paving Co. |
| ID | 403373 |
| Home office | California |
| Year | 1979 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0060450146 | |
| Mine Safety and Health Administration | MSHA | MSHA | 0403373 |
MSHA MINE FILE REFERENCE JUNE 1979.
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 04-NOV-1983 | 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 | Abandoned since 01/01/2006 |
|---|---|
| MSHA mine ID | 0403373 |
| Mine name (MSHA) | Mendocino Aggregates |
| Current operator | Granite Construction Co |
| Current controller (parent) | Granite Construction 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MSHA's last published Mines export (February 2025); MSHA's public bulk feed has been unavailable since, so this may be out of date.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.