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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Platte River — Park County

Gold Mining Site CO • Park County County
Description
All Platte River bars and terrace gravels contain placer gold.
Historical Notes
Source: Colorado GOLD Prospecting (OoCities archive) — Prospecting Sites in Colorado. Compiled by Shawn Page; additional notes by Tom Ashworth and prospector reports (Tom Peden, Greg Ferris). Part of the 250-mile Colorado Mineral Belt — historically among the richest placer districts in the Rocky Mountains. Coordinates approximate the named town or district center — not a specific claim. Verify land status (BLM, state, private, fee digs) before prospecting. All Platte River bars and terrace gravels contain placer gold.
Status / Verification active — Legendary or approximate

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