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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Powderhorn — Gunnison County

Gold Mining Site CO • Gunnison County County
Description
In the Cebolla district, Powderhorn had many mines along Cebolla Creek that produced lode gold. Cebollo Creek contains placer gold.
Historical Notes
Source: Tom Ashworth's Prospectors Cache (tomashworth.com / Mike Higbee / 49erMike). Author: Tom Ashworth. Original page: gunnison_co.shtml. State index: https://web.archive.org/web/20040830075749/http://www.tomashworth.com/goldloc.shtml Area: POWDERHORN. Map coordinates are an approximate county centroid — not a precise claim site. In the Cebolla district, Powderhorn had many mines along Cebolla Creek that produced lode gold. Cebollo Creek contains placer gold.
Status / Verification historical_site — Legendary or approximate

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