Sixteen To One Mine

Sixteen To One Mine is an underground gold mine in Sierra County, California, near Alleghany. MSHA lists its status as non-producing since May 29, 2023. It is one of 11 gold mines in California that are not marked abandoned, and the only one in Sierra County.

Facts

MSHA status
Non-producing since May 29, 2023
Type
Underground
County
Sierra County
State
California
Land status (BLM data)
Land status not determined in the BLM dataset
Nearest town
Alleghany
Operator
Quartzview Corporation
Coordinates
39.4650, -120.8422
MSHA mine ID
0401299

Source: MSHA Mines data set, retrieved 2026-10-13. Status and counts can lag real operations.

Land status comes from the BLM Surface Management Agency dataset and can be out of date. Check ownership before you go near any mine site.

History and geology (USGS)

USGS site name
Gold Crown
USGS status
Past producer
Commodities
Gold, Platinum
Deposit type
Low-sulfide Au-quartz vein
Output size
small (USGS class)

Matched by location to the USGS Mineral Resources Data System record 10106528 (retrieved 2026-10-13). The database was last updated around 2011, so history may be out of date.

Gold mines nearby