Grass Valley
California · 63 mines
Gold
Mining Districts
Districts linked from USGS MRDS data to underground-eligible catalog mines (minimum 5 mines).
All districts (49)
Nevada City
California · 39 mines
Gold, Chromium, Silver
East Shasta Copper-Zinc
California · 32 mines
Copper, Silver, Lead
Ophir
California · 32 mines
Gold, Copper
French Gulch
California · 24 mines
Gold
East Mayacmas
California · 20 mines
Mercury
New Almaden
California · 20 mines
Mercury
West Shasta Copper-Zinc
California · 20 mines
Copper, Silver
Mother Lode Belt
California · 19 mines
Gold, Copper, Chromium
High Grade
California · 16 mines
Gold
Washington
California · 16 mines
Gold, Chromium
West Mayacmas
California · 16 mines
Mercury
Shasta
California · 13 mines
Gold
Canada Hill
California · 12 mines
Gold
East Belt
California · 12 mines
Gold
New England Mills
California · 11 mines
Gold
Argus
California · 10 mines
Copper, Iron, Silver, Gold
Damascus
California · 10 mines
Gold, Iron
New Idria
California · 9 mines
Mercury
Rand
California · 9 mines
Gold
Meadow Lake
California · 8 mines
Gold, Copper
Spenceville
California · 8 mines
Copper, Gold
Whitlock
California · 8 mines
Gold
Central San Benito
California · 7 mines
Mercury
Clear Lake
California · 7 mines
Mercury, Sulfur
Dog Creek
California · 7 mines
Gold
Dutch Flat
California · 7 mines
Gold, Lead
East Shasta Copper - Zinc
California · 7 mines
Copper
Hayden Hill
California · 7 mines
Gold, Silver
Stayton
California · 7 mines
Mercury, Antimony
West Shasta District
California · 7 mines
Copper, Gold, Sulfur
Colorado
California · 6 mines
Gold
Cuesta Pass
California · 6 mines
Chromium, Iron
Graniteville
California · 6 mines
Gold
Hornitos
California · 6 mines
Gold
Old Diggings
California · 6 mines
Gold
Pine Mountain
California · 6 mines
Mercury
Rough & Ready
California · 6 mines
Gold
Tesla
California · 6 mines
Manganese
West Shasta Copper - Zinc
California · 6 mines
Copper
Atolia
California · 5 mines
Tungsten
Cerro Gordo
California · 5 mines
Lead, Zinc
Deadwood
California · 5 mines
Gold
Kinsley
California · 5 mines
Gold
Liberty
California · 5 mines
Gold
Nevada City District
California · 5 mines
Gold, Silver
Rand Mining District
California · 5 mines
Silver, Gold
Tahoe
California · 5 mines
Gold
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