| Deposit ID | 10164275 |
|---|---|
| MAS/MILS ID | 0060650532 |
| Record type | Site |
| Current site name | Crestmore Quarry |
| Alternate or previous names | Riverside Cement Co Crestmore Qurry |
| Point of reference | Main Entrance |
|---|---|
| Geographic coordinates: | -117.38167, 34.02693 (WGS84) |
| Elevation | 232 |
| Location accuracy | 10(meters) |
Political divisions (FIPS codes)
Riverside(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Fontana(quadrangle 1:24,000 scale)
San Bernardino(quadrangle 1:100,000 scale)
San Bernardino(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Santa Ana(hydrologic unit)
Santa Ana(hydrologic accounting unit)
Southern California Coastal(hydrologic subregion)
California(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | California | Riverside |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| San Bernardino | 002 S | 005 W | 03 | California |
| Commodity | Importance |
|---|---|
| Cement Rock | Primary |
| Stone, Crushed/Broken | Tertiary |
| Main Entrance (1) | -117.38167, 34.02693 |
|---|
| Operation type | Processing Plant |
|---|---|
| Development status | Past Producer |
| Commodity type | Non-metallic |
| Significant | No |
| Type of mineral rights | Located Claim |
|---|
| Ownership category | Unknown |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | Riverside Cement Co. |
| ID | 400010 |
| Interest | 100 |
| Home office | California |
| Year | 1990 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0060650532 | |
| Mine Safety and Health Administration | MSHA | MSHA | 0400010 |
CALIF. JOUR. MINES AND GEOL., V. 43, 1947, P. 173.
CALIF. DIV. MINES AND GEOL. SPECIAL PUBLICATION 103, 1990,
P.
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 19-OCT-1995 | Ridenour, James | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
| Status | Abandoned since 11/01/2015 |
|---|---|
| MSHA mine ID | 0400010 |
| Mine name (MSHA) | Crestmore Quarry |
| Current operator | Riverside Cement Co |
| Current controller (parent) | Martin Marietta 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.
These are landing pages for further research — the state agencies don't currently expose per-mine deep links.