| Deposit ID | 10031757 |
|---|---|
| MRDS ID | M011193 |
| Record type | Site |
| Current site name | Alta Hill Gravel Nos. 2 and 3 |
| Geographic coordinates: | -121.06576, 39.23017 (WGS84) |
|---|---|
| Relative position | NEAR OLD HOPE SHAFT. SW1/4 |
Political divisions (FIPS codes)
Nevada(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Grass Valley(quadrangle 1:24,000 scale)
Yuba City(quadrangle 1:100,000 scale)
Chico(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Yuba(hydrologic unit)
Lower Sacramento(hydrologic accounting unit)
Sacramento(hydrologic subregion)
California(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | California | Nevada |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 016N | 008E | 22 | California |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| (1) | -121.06576, 39.23017 |
|---|
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Significant | No |
| Type | Operator |
|---|---|
| Owner | Grass Valley Gold Mines |
| First year | 1923 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M011193 |
CALIF. JOUR. MINES & GEOLOGY, V. 37, NO. 3, JULY 1941, PLS. 2 AND 3
USGS PROF. PAPER 194, PL. 1
USGS FOLIO 29, NEVADA CITY, 1896, GRASS VALLEY TOPO MAP.
| Subject category | Comment text |
|---|---|
| Deposit | REPORT 20 OF STATE MINERALOGIST P.10. TWO CLAIMS, THE HENRY MORGAN AND ALTA HILL LODES, COMPRISING 19.73 ACRES. PLS. 2 AND 3, V. 37, NO. 3, SHOW THE LOCATION IN THE NW1/4, NE1/4 AND SE1/4 OF SW1/4, BORDERING THE CLAIM OF THE HOPE GRAVEL MNG. CO., BUT PL. 1, USGS P. P. 194 SHOWS THE SHAFTS BOTH LIE WITHIN THE AREA COVERED BY THE CLAIM OF THE HOPE GRAVEL MNG. CO. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUN-1973 | Gere, W. | U.S. Geological Survey |
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.