Grand Island-Caribou District

Past ProducerGold, Lead, SilverSurface-UndergroundUSGS MRDS

Location

StateColorado
CountyBoulder
Coordinates39.98110, -105.57892

Commodities

PrimaryGold, Lead, Silver
SecondaryCopper, Zinc
TertiaryTitanium, Uranium

Mine Details

StatusPast Producer
TypeSurface-Underground
Data SourceUSGS MRDS
Source ID10141356

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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