| Deposit ID | 10257404 |
|---|---|
| MAS/MILS ID | 0020580165 |
| Record type | Site |
| Current site name | Tri-Con Mill |
| Alternate or previous names | Ester Dome, Grant Mine, Northeast Side of Ester Dome |
| Point of reference | Claim |
|---|---|
| Geographic coordinates: | -147.96125, 64.88026 (WGS84) |
| Elevation | 198 |
| Location accuracy | 100(meters) |
Political divisions (FIPS codes)
Fairbanks North Star(Borough)
Alaska(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Fairbanks D-2(quadrangle 1:63,360 scale)
Big Delta NW(quadrangle 1:100,000 scale)
Fairbanks(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Alaska(hydrologic region)
| Country | State |
|---|---|
| United States | Alaska |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Fairbanks | 001 N | 002 W | 28 | NESWSE | Alaska |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Lead | Tertiary |
| Claim (1) | -147.96125, 64.88026 |
|---|
| Operation type | Processing Plant |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Significant | No |
| Type of mineral rights | Located Claim |
|---|
| Ownership category | Mixed |
|---|
| Type | Operator |
|---|---|
| Owner | Tri-Con Mining, Inc. |
| ID | 5001329 |
| Home office | Alaska |
| Year | 1986 |
| Type | Owner |
|---|---|
| Owner | Roger C. Burggraf |
| ID | 5001329 |
| Home office | Alaska |
| Year | 1983 |
| Type | Operator |
|---|---|
| Owner | Silverado Mines Ltd.,Tri-Con Mining Inc. |
| ID | 5001329 |
| Home office | Alaska |
| Year | 1983 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0020580165 | |
| Mine Safety and Health Administration | MSHA | MSHA | 5001329 |
AK MINE LICENSE-1982
AK MINE LICENSE-1983
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 02-JUN-1988 | Hfd | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
| Status | Abandoned since 01/15/1986 |
|---|---|
| MSHA mine ID | 5001329 |
| Mine name (MSHA) | Tri-Con Mill Or New Tri-Con Mill |
| Current operator | Tri-Con Mining Inc |
| Current controller (parent) | Silverado Gold Mines Ltd |
| Mine type | Facility (Metal / non-metal) |
MSHA cross-reference per the original MRDS record. Mine status and operator reflect MSHA's last published Mines export (February 2025); MSHA's public bulk feed has been unavailable since, so this may be out of date. See the Mine Data Retrieval System for current status.
Open MSHA's Mine Data Retrieval System for inspections, accidents, and violations for this mine.
These are landing pages for further research — the state agencies don't currently expose per-mine deep links.