| Deposit ID | 10294634 |
|---|---|
| MRDS ID | W014727 |
| MAS/MILS ID | 0300530007 |
| Record type | Site |
| Current site name | Snowshoe |
| Alternate or previous names | Howard |
| Related records | 10071382 |
| Point of reference | Main Entrance |
|---|---|
| Geographic coordinates: | -115.64573, 48.20487 (WGS84) |
| Elevation | 1396 |
| Location accuracy | 10(meters) |
Political divisions (FIPS codes)
Lincoln(county)
Montana(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Snowshoe Peak(quadrangle 1:24,000 scale)
Libby(quadrangle 1:100,000 scale)
Kalispell(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Middle Kootenai(hydrologic unit)
Kootenai(hydrologic accounting unit)
Kootenai-Pend Oreille-Spokane(hydrologic subregion)
Pacific Northwest(hydrologic region)
Federal lands
Kootenai National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Montana | Lincoln |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Montana Principal | 028 N | 032 W | 11 | SESENE | Montana |
| Commodity | Importance |
|---|---|
| Gold | Tertiary |
| Lead | Tertiary |
| Silver | Tertiary |
| Zinc Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Anglesite | Unknown |
| Cerussite | Unknown |
| Chalcopyrite | Unknown |
| Galena | Unknown |
| Pyrite | Unknown |
| Quartz | Unknown |
| Sphalerite | Unknown |
| Tetrahedrite | Unknown |
| Main Entrance (1) | -115.64573, 48.20487 |
|---|
| Strike | S10W | ||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dip | 80W | ||||||||||||||||||||||||||
| Thickness | 122M | ||||||||||||||||||||||||||
| Length | 300M | ||||||||||||||||||||||||||
| Width | 2M | ||||||||||||||||||||||||||
| Depth to top | 6M | ||||||||||||||||||||||||||
| |||||||||||||||||||||||||||
| Area | 37HA | ||||||
|---|---|---|---|---|---|---|---|
| |||||||
| Operation type | Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Libby District |
|---|
| Type of mineral rights | Patented |
|---|
| Ownership category | National Forest |
|---|
| Type of workings | Underground | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall depth | 300M | ||||||||||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||||||||||
| Type of workings | Underground | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall depth | 300M | ||||||||||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||||||||||
| Type of workings | Underground | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall depth | 300M | ||||||||||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0300530007 | |
| USGS | Mineral Resources Data System | MRDS | W014727 | MAS references MRDS |
MONTANA DEPT. OF STATE LANDS. ABANDONED HARDROCK MINES
PRIORITY SITES, SUMMARY REPORT, MARCH 1994, P. 5-154.
JOHNS,1970,MBMG BULL.79,P.85
CALKINS AND MACDONALD,1909,USGS BULL.384,P.103
GIBSON,1948,USGS BULL.956,P.111
YOUNG,ETAL,1962,MBMG BULL.30,P.29
ZARTMAN AND STACEY,1971,ECON-GEOLOGY,VOL.66,P.852
UNPUB. MBMG FILE DATA, TEDROW REPORT
UNPUB MPF DATA
| Subject category | Comment text |
|---|---|
| Environmental Factors | THE TAILINGS WERE LOCATED WITHIN THE FLOODPLAIN OF SNOWSHOE CREEK. SOME RECLAMATION HAD BEEN DONE ON THE LOWER WASTE ROCK DUMP. THERE WERE NO ADIT DISCHARGES ASSOCIATED WITH THE SITE; HOWEVER, AN INTERMITTENT TRIBUTARY TO PERENNIAL SNOWSHOE CREEK RAN THROUGH THE SITE. THE TRIBUTARY HAD A TRICKLE OF FLOW DURING THE INVESTIGATION WHICH EXCEEDED THE MAXIMUM CONTAMINANT LEVEL FOR CADMIUM. THE DOWNSTREAM SAMPLE IN SNOWSHOE CREEK ALSO EXCEEDED THE MAXIMUM CONTAMINANT LEVEL FROM CADMIUM. OBSERVED RELEASES TO SHOWSHOE CREEK WERE DOCUMENTED FOR ARSENIC, CADMIUM, IRON, LEAD AND ZINC. THE MAXIMUM CONTAMINANT LEVEL EXCEEDANCE FOR CADMIUM CAN BE DIRECTLY ATTRIBUTED TO THE SITE. THE THREE OPEN ADITS AND SEVERAL STEEP, UNSTABLE WASTE PILES WERE ACCESSIBLE AND POTENTIALLY HAZARDOUS. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 23-AUG-94 | O'Brien, Mary Ann | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.