Sun shading (lidar)

Adjust simulated sun direction on the lidar hillshade. Azimuth = compass bearing of the light (0° north, 90° east). Altitude = height above the horizon (low = long shadows).

Historical map overlays

USGS scanned historical topographic maps. Enable an overlay and adjust its opacity. Works in 2D and 3D.

Sun azimuth: 315°   Sun altitude: 45°   Z factor: 1   Lidar opacity: 1
center: —   mouse: —   zoom:

Mokelumne River — Calaveras County

Gold Mining Site CA • Calaveras County County
Description
Camanche district, in NW part of county, had a total production estimated at 1,000,000 ounces, along the Mokelumne River there were huge, bucket type dredge operations with rich placer gold. Campo Seco district, located at township 4N and 5N and range 10E, in northwest part of county had a total production around 70,000 ounces. All the area tributary stream gravels contain rich placers. You will also find the Pern Mine, it was primarily a copper mine with a rich by product of gold. Mokelumne ...
Historical Notes
Source: Tom Ashworth's Prospectors Cache (tomashworth.com / Mike Higbee / 49erMike). Author: Tom Ashworth. Original page: calaveras_ca.shtml. State index: https://web.archive.org/web/20040830075749/http://www.tomashworth.com/goldloc.shtml Area: MOKELUMNE RIVER. Map coordinates are an approximate county centroid — not a precise claim site. Camanche district, in NW part of county, had a total production estimated at 1,000,000 ounces, along the Mokelumne River there were huge, bucket type dredge operations with rich placer gold. Campo Seco district, located at township 4N and 5N and range 10E, in northwest part of county had a total production around 70,000 ounces. All the area tributary stream gravels contain rich placers. You will also find the Pern Mine, it was primarily a copper mine with a rich by product of gold. Mokelumne Hill district located at township 5N range 11E. South of the Mokelumne Hill 2 miles you will find the Eclipse, Infernal, and other mines that were large producers of lode gold.
Status / Verification historical_site — Legendary or approximate

Take Add Data / Take Notes

Log in or create an account to save private field notes for this location. Your notes are only visible to you.

Forgot password?

Enter your email and we'll send you a link to reset your password.

Back to log in