| Deposit ID | 10237244 |
|---|---|
| MAS/MILS ID | 0060690017 |
| Record type | Site |
| Current site name | Pearce Quarry |
| Alternate or previous names | Bryan and Pearce-Twohy Deposits, Henry Cowell Lime & Cement Co., San Juan Canyon Quarry |
| Point of reference | Pit |
|---|---|
| Geographic coordinates: | -121.47381, 36.78963 (WGS84) |
| Elevation | 402 |
| Location accuracy | 100(meters) |
Political divisions (FIPS codes)
San Benito(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Hollister(quadrangle 1:24,000 scale)
Monterey(quadrangle 1:100,000 scale)
Monterey(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Pajaro(hydrologic unit)
Central California Coastal(hydrologic accounting unit)
Central California Coastal(hydrologic subregion)
California(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | California | San Benito |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 013 S | 004 E | 24 | N2 | California |
| Commodity | Importance |
|---|---|
| Stone, Crushed/Broken | Primary |
| Pit (1) | -121.47381, 36.78963 |
|---|
| Operation type | Surface |
|---|---|
| Development status | Producer |
| Commodity type | Non-metallic |
| Significant | No |
| Ownership category | Unknown |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | Hillsdale Rock Co., Inc. |
| Home office | California |
| Year | 1991 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0060690017 |
CALIF. DIV. MINES BULLETIN 134, 1953, PART II, CHAPT. 2,
P. 237.
CALIF. JOUR. MINES AND GEOL., V. 43, 1947, P. 52.
CALIF. STATE MINING BUR. BULLETIN 76, 1918, PLATE 2.
CALIF. DIV. MINES SPECIAL REPORT 56, 1959, P. 23-24.
CALIF. DIV. MINES ACTIVE MINES DATABASE (1991).
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 20-MAY-92 | Ridenour, James | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
These are landing pages for further research — the state agencies don't currently expose per-mine deep links.