Past ProducerMercury, GoldSurface-UndergroundUSGS MRDS
Location
State
California
County
Colusa
Coordinates
39.03451, -122.42937
Commodities
Primary
Mercury, Gold
Secondary
Silver
Tertiary
Antimony, Arsenic, Sulfur, Thallium
Mine Details
Status
Past Producer
Type
Surface-Underground
Deposit Type
Hot Spring
Discovery Year
1863
Data Source
USGS MRDS
Source ID
10310602
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.