| Lat / long: | 47.17659, -109.21968 |
| Primary: | Gold |
| Secondary: | Silver |
| Ore: | Gold, Telluride, Argentite |
| Gangue: | Calcite, Fluorite |
| Discovery year: | 1880 |
| Operation type: | Underground |
| Deposit type: | Au-Ag-Te vein |
| Production size: | Yes |
| Development status: | Past Producer |
| First production started: | 1881 |
| Host rock: | Madison Series, Massive Limestone |
| Host type: | Syenite,Limestone |
| Associated rock: | Gold Hill Syenite Porphyry |
| Associated type: | Syenite |
| Structure: | Domal Structures Resulting From Igneous Intrusions, Gold Hill Syenite Porphyry Intrusion |
| Tectonic: | Rocky Mountain Foreland |
| MRDS | W014674 |
| DEP | 10071340 |
| Reference | ROBERTSON, A. F., 1950, MINES AND MINERAL DEPOSITS, FERGUS COUNTY, MONT.: U.S. BUREAU OF MINES INF. CIRC. 754 |
| Reporter | Krohn, Douglas H. |