Past ProducerIron, Manganese, SilicaSurfaceUSGS MRDS
Location
State
California
County
Trinity
Coordinates
40.19735, -123.26831
Commodities
Tertiary
Iron, Manganese, Silica
Mine Details
Status
Past Producer
Type
Surface
First Production
1943
Discovery Year
1941
Data Source
USGS MRDS
Source ID
10117581
What This Means
This mine is a past producer — it was once operational but is no longer actively mining. Past producer sites may still have environmental impacts including disturbed land, tailings piles, and potential water quality effects. Some past producer sites have been reclaimed, while others remain as-is. Check with your state mining or environmental agency for current site conditions.