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:

By Tom Ashworth — TUOLUMNE COUNTY, CALIFORNIA County

Gold Mining Site CA • TUOLUMNE COUNTY, CALIFORNIA County County
Description
LOCATION COUNTY: Tuolumne County STATE: California
Historical Notes
Source: Tom Ashworth's Prospectors Cache (tomashworth.com / Tom Ashworth). Author: Tom Ashworth. Original page: tuolumne_ca.shtml. Area: by Tom Ashworth. Map coordinates refined from text (landmark: "Tom, TUOLUMNE COUNTY, CALIFORNIA County, California, USA"). Still approximate — verify on the ground. LOCATION COUNTY: Tuolumne County STATE: California
Status / Verification historical_site — Legendary or approximate

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