Mammoth Mine

Past ProducerGold, SilverUSGS MRDS

Location

StateWashington
CountyWhatcom
Coordinates48.75315, -120.71509

Commodities

PrimaryGold, Silver
TertiaryLead, Zinc, Arsenic

Mine Details

StatusPast Producer
First Production1898
Last Production1942
Discovery Year1895
Data SourceUSGS MRDS
Source ID10047782

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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