| Deposit ID | 10162465 |
|---|---|
| MAS/MILS ID | 0060010169 |
| Record type | Site |
| Current site name | Leona Quarry |
| Alternate or previous names | Leona Quarry and Mills |
| Point of reference | Pit |
|---|---|
| Geographic coordinates: | -122.16184, 37.7799 (WGS84) |
| Elevation | 91 |
| Location accuracy | 100(meters) |
Political divisions (FIPS codes)
Alameda(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Oakland East(quadrangle 1:24,000 scale)
San Francisco(quadrangle 1:100,000 scale)
San Francisco(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
San Francisco Bay(hydrologic unit)
San Francisco Bay(hydrologic accounting unit)
San Francisco Bay(hydrologic subregion)
California(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | California | Alameda |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 002 S | 003 W | 02 | California |
| Commodity | Importance |
|---|---|
| Stone | Primary |
| Pit (1) | -122.16184, 37.7799 |
|---|
| Operation type | Surface |
|---|---|
| Development status | Producer |
| Commodity type | Non-metallic |
| Significant | No |
| Ownership category | Unknown |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | Gallagher And Burke, Inc. |
| ID | 0400113 |
| Home office | California |
| Year | 1990 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0060010169 | |
| Mine Safety and Health Administration | MSHA | MSHA | 0400113 |
CALIF. DIV. MINES AND GEOL. SPECIAL PUBLICATION 103, 1990.
ALSO LOCATED IN SECTION 11.
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 21-JUL-1992 | Lowe, Nathan T. | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
| Status | Abandoned since 05/04/1995 |
|---|---|
| MSHA mine ID | 0400113 |
| Mine name (MSHA) | Leona Quarry |
| Current operator | Gallagher & Burk Inc |
| Current controller (parent) | Gallagher Edwin J Jr |
| 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MSHA's last published Mines export (February 2025); MSHA's public bulk feed has been unavailable since, so this may be out of date.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.