| Deposit ID | 10148666 |
|---|---|
| MAS/MILS ID | 0300390202 |
| Record type | Site |
| Current site name | Londonderry Mine |
| Point of reference | Main Entrance |
|---|---|
| Geographic coordinates: | -113.24342, 46.47409 (WGS84) |
| Elevation | 1567 |
| Location accuracy | 100(meters) |
Political divisions (FIPS codes)
Granite(county)
Montana(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Maxville(quadrangle 1:24,000 scale)
Philipsburg(quadrangle 1:100,000 scale)
Butte(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Flint-Rock(hydrologic unit)
Pend Oreille(hydrologic accounting unit)
Kootenai-Pend Oreille-Spokane(hydrologic subregion)
Pacific Northwest(hydrologic region)
Federal lands
Bureau of Land Management(Bureau of Land Management MT)
Bureau of Land Management MT BLM(Type of land area)
BLM(Federal land areas administered by BLM)
| Country | State | County |
|---|---|---|
| United States | Montana | Granite |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Montana Principal | 008 N | 013 W | 04 | NWNWSW | Montana |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Tertiary |
| Main Entrance (1) | -113.24342, 46.47409 |
|---|
| Operation type | Surface-Underground |
|---|---|
| Commodity type | Metallic |
| Significant | No |
| Ownership category | Unknown |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0300390202 |
MONTANA DEPARTMENT OF STATE LANDS. ABANDONED HARDROCK MINES
PRIORITY SITES, SUMMARY REPORT, MARCH 1994, P. 5-67.
P. 259, PLATE 2.
| Subject category | Comment text |
|---|---|
| Environmental Factors | ONE DISCHARGING ADIT WAS IDENTIFIED AT THE SITE. THE PH MEASUREMENT WAS 7.3. MAXIMUM CONTAMINANT LEVELS FOR ARSENIC AND CADMIUM WERE EXCEEDED IN THE DISCHARGE. AN OBSERVED RELEASE TO FLINK CREEK (SEDIMENT) WAS DOCUMENTED FOR MERCURY. SURFACE WATER SAMPLES WERE NOT COLLECTED DUE TO EXTREMELY HIGH FLOW AND LIKELY EXCESSIVE DILUTION. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 24-APR-95 | O'Brien, Mary Ann | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.