| Deposit ID | 10166855 |
|---|---|
| MAS/MILS ID | 0080190641 |
| Record type | Site |
| Current site name | Free American |
| Point of reference | Main Entrance |
|---|---|
| Geographic coordinates: | -105.63809, 39.77029 (WGS84) |
| Elevation | 2713 |
| Location accuracy | 10(meters) |
Political divisions (FIPS codes)
Clear Creek(county)
Colorado(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Empire(quadrangle 1:24,000 scale)
Denver West(quadrangle 1:100,000 scale)
Denver(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Clear(hydrologic unit)
South Platte(hydrologic accounting unit)
South Platte(hydrologic subregion)
Missouri(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Colorado | Clear Creek |
| Commodity | Importance |
|---|---|
| Lead | Primary |
| Silver | Tertiary |
| Zinc Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Pyrite | Ore |
| Galena | Ore |
| Chalcopyrite | Trace |
| Bornite | Trace |
| Pearceite | Trace |
| Sphalerite | Trace |
| Main Entrance (1) | -105.63809, 39.77029 |
|---|
| Operation type | Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Significant | No |
| Ownership category | Private |
|---|
| Year | 1877 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Accuracy | Accurate | ||||||||||||||
| |||||||||||||||
| Year | 1878 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Accuracy | Accurate | ||||||||||||||
| |||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0080190641 |
REF:CBM ANNUAL REPORT 1962 OWN/OP:CARL ABRAHAMSON
USGS PP 223, p. 164
| 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.