Yuba River — Yuba County

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: —

Yuba River — Yuba County

Gold Mining Site CA • Yuba County County
Description
In the Hammonton district, in S part of the county along the Yuba River, in parts of township 15N and 16N and range 4E and 5E, total production over 500,000 ounces. In Quaternary gravels, extensive placer operations were done in all regional buried channel and exposed Tertiary gravel deposits, these were extensively worked placers. I have used large dredges in this area on the Yuba River and I have personally had 10 ounce days with an 8" dredge. 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: yuba_ca.shtml. State index: https://web.archive.org/web/20040830075749/http://www.tomashworth.com/goldloc.shtml Area: Yuba River. Map coordinates are an approximate county centroid — not a precise claim site. In the Hammonton district, in S part of the county along the Yuba River, in parts of township 15N and 16N and range 4E and 5E, total production over 500,000 ounces. In Quaternary gravels, extensive placer operations were done in all regional buried channel and exposed Tertiary gravel deposits, these were extensively worked placers. I have used large dredges in this area on the Yuba River and I have personally had 10 ounce days with an 8" dredge. 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?
or

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

Back to log in
or