Two Sisters Group

Past ProducerGold, Silver, Lead, ZincUndergroundUSGS MRDS

Location

StateColorado
CountyGilpin
Coordinates39.80860, -105.52448

Commodities

PrimaryGold, Silver, Lead, Zinc
TertiaryUranium, Vanadium

Mine Details

StatusPast Producer
TypeUnderground
Discovery Year1953
Data SourceUSGS MRDS
Source ID10191516

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.

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