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Historical map overlays

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Sun azimuth: 315°   Sun altitude: 45°   Z factor: 1   Lidar opacity: 1
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BLACKHAWK — Gilpin County

Gold Mining Site CO • Gilpin County County
Description
In Blackhwak there are many rich area mines, mostly base metal and silver, with by-product of gold. The Gregory diggings were rich placers discovered in 1859. At Russel Gulch, area gravel deposits are productive placer deposits. There are many area lode mines, in early day production, $400 per day per man at $35 an ounce -wow -.
Historical Notes
Source: Gold Fever Prospecting — Colorado Gold Panning Locations. Compiled by Tom Ashworth (Prospectors Cache / goldfeverprospecting.com). Documented placer gold or recreational panning area. Coordinates geocoded to the named town or district. Verify claim status, private land, and current regulations before prospecting. In Blackhwak there are many rich area mines, mostly base metal and silver, with by-product of gold. The Gregory diggings were rich placers discovered in 1859. At Russel Gulch, area gravel deposits are productive placer deposits. There are many area lode mines, in early day production, $400 per day per man at $35 an ounce -wow -.
Status / Verification active — Legendary or approximate

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