Date
1996?Keywords
Mineral and rock specimensViews -- Interior
Minerals -- Colorado -- Boulder County
Gold -- Colorado -- Boulder County
Silver -- Colorado -- Boulder County
Tungsten -- Colorado -- Boulder County
Fluorspar -- Colorado -- Boulder County
Lead -- Colorado -- Boulder County
Zinc -- Colorado -- Boulder County
Metadata
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Display table of mineral specimens of Boulder County; map ; and sign reading "Boulder County Principal Minerals. Gold, Silver, Tungsten, Fluorspar, Lead, Zinc."Caption reads: "1996."