| Deposit ID | 10285770 |
|---|---|
| MAS/MILS ID | 0060550092 |
| Record type | Site |
| Current site name | Napa Copper Claim |
| Point of reference | Main Entrance |
|---|---|
| Geographic coordinates: | -122.43746, 38.71378 (WGS84) |
| Elevation | 244 |
| Location accuracy | 1000(meters) |
Political divisions (FIPS codes)
Napa(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Aetna Springs(quadrangle 1:24,000 scale)
Healdsburg(quadrangle 1:100,000 scale)
Santa Rosa(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Lower Sacramento(hydrologic accounting unit)
Sacramento(hydrologic subregion)
California(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | California | Napa |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 010 N | 005 W | 17 | California |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Main Entrance (1) | -122.43746, 38.71378 |
|---|
| Operation type | Surface-Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Significant | No |
| Ownership category | Unknown |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0060550092 |
CALIF. REPT. 25, 1929, P. 217, CALIF. BULL. 50, 1908, P. 165
| 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.
These are landing pages for further research — the state agencies don't currently expose per-mine deep links.