| Deposit ID | 10118705 |
|---|---|
| MAS/MILS ID | 0081130859 |
| Record type | Site |
| Current site name | Tomboy Tunnel |
| Point of reference | Main Entrance |
|---|---|
| Geographic coordinates: | -107.75644, 37.9383 (WGS84) |
| Elevation | 3536 |
| Location accuracy | 10(meters) |
Political divisions (FIPS codes)
San Miguel(county)
Colorado(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Telluride(quadrangle 1:24,000 scale)
Silverton(quadrangle 1:100,000 scale)
Durango(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
San Miguel(hydrologic unit)
Upper Colorado-Dolores(hydrologic accounting unit)
Upper Colorado-Dolores(hydrologic subregion)
Upper Colorado(hydrologic region)
Federal lands
Grand Mesa, Uncompahgre and Gunnison National Forests(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Colorado | San Miguel |
| Commodity | Importance |
|---|---|
| Fluorine-Fluorite Critical | Tertiary |
| Gold | Primary |
| Silver | Tertiary |
| Main Entrance (1) | -107.75644, 37.9383 |
|---|
| Operation type | Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Both |
| Significant | No |
| Ownership category | Private |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0081130859 |
REF: MINE MAP REPO DOC #403798 1965
OWN-OPR: IDORADO MINING CO. 1965
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 17-NOV-1983 | Intermountain Field Operations Center (IFOC) | 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.