Sun shading (lidar)

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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
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Yuba River — Sierra County

Gold Mining Site CA • Sierra County County
Description
I have dredged this river in many places and always done well when I hit virgin dirt. This river replenishes every year. I saw a 22 pound nugget that came out of this river above Downieville. The nugget was name "The Lure". 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: sierra_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. I have dredged this river in many places and always done well when I hit virgin dirt. This river replenishes every year. I saw a 22 pound nugget that came out of this river above Downieville. The nugget was name "The Lure". ADD INFORMATION ON A GOLD BEARING LOCATION
Status / Verification historical_site — Legendary or approximate

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