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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Iditarod District — Kuskokwim River

Gold Mining Site AK • Kuskokwim River, Alaska County
Description
Famous western Alaska placer district on Otter Creek and tributaries of the Iditarod River.
Historical Notes
Source: U.S. Geological Survey and Alaska mining district references cited on ak.shtml. Interior and Kuskokwim region pages were not present in the local Tom Ashworth mirror. District summaries follow USGS Professional Paper 610 and related Alaska MR-series maps. Coordinates refined from district name — verify on the ground. Famous western Alaska placer district on Otter Creek and tributaries of the Iditarod River.
Status / Verification historical_site — Legendary or approximate

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