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:

Stanislaus River — TUOLUMNE COUNTY, CALIFORNIA County

Gold Mining Site CA • TUOLUMNE COUNTY, CALIFORNIA County County
Description
Between Jamestown and Sonora and the Stanislaus River, the Pocket Belt district which is 5-6 miles wide had a total production 1,267,000 ounces of placer gold. There were many small area mines that produced lode gold. The Bonanza Mine was so rich that it produced 15,000 troy ounces in a week one time. ADD INFORMATION ON A GOLD BEARING LOCATION
Historical Notes
Source: Tom Ashworth's Prospectors Cache (tomashworth.com / Mike Higbee / 49erMike). Author: Tom Ashworth. Original page: tuolumne_ca.shtml. State index: https://web.archive.org/web/20040830075749/http://www.tomashworth.com/goldloc.shtml Area: Stanislaus River. Map coordinates are an approximate county centroid — not a precise claim site. Between Jamestown and Sonora and the Stanislaus River, the Pocket Belt district which is 5-6 miles wide had a total production 1,267,000 ounces of placer gold. There were many small area mines that produced lode gold. The Bonanza Mine was so rich that it produced 15,000 troy ounces in a week one time. ADD INFORMATION ON A GOLD BEARING LOCATION
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