| Location: | Silver Bow County, Montana, United States, North America |
| Lat / long: | 46.00907, -112.52589 |
| dep_id: | 10019640 |
| mrds_id: | DC11027 |
| Commodity type: | metallic |
| Major mineral: | Silver, Lead, Zinc |
| Minor mineral: | Copper, Gold |
| Operation type: | Unknown |
| Production size: | Small ammount of material produced |
| Development status: | Past Producer |
| ore: | Chalcocite, Galena, Gold, Sphalerite |
| gangue: | Pyrite, Quartz |
| work_type: | Unknown |
| Reporter: | Unknown, Wise, Kristine K. (Elliott, James E.) |
| hrock_type: | Quartz Monzonite |
| arock_unit: | Butte Quartz Monzonite (Boulder Batholith) |
| arock_type: | Quartz Monzonite |
| Structure: | Boulder Batholith |
| References: |
- Deposit:: USBM, 1943, REPT TO SEC. OF INT.: OTISCO MINE
- Deposit:: USGS PP 74, P. 193, PL. XX1
- Deposit:: USGS-USBM MINERAL YEARBOOK 1927, 1934
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