Alton Tunnel

OccurrenceSilver, GoldUSGS MRDS

Location

StateColorado
CountyBoulder
Coordinates39.96805, -105.53920

Commodities

PrimarySilver, Gold

Mine Details

StatusOccurrence
Data SourceUSGS MRDS
Source ID10017385

What This Means

This location is classified as a mineral prospect or occurrence — a site where minerals have been identified but no significant mining has taken place. These sites typically have minimal environmental impact but indicate the presence of mineral deposits in the area.

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