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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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Idaho County Gold Locations

Gold Mining Site ID • Idaho County County
Description
Idaho County is the state's largest gold producing county, with 2,176,550 ounces of gold being recorded from placer and lode mines between 1862 and 1959. The primary areas of interest are along Lolo, Mussell and Eldorado Creeks. There were many once rich placer mines on these creeks. Along the Salmon River bars, benches and terrace gravels there is also some rich placer ground.
Historical Notes
Source: Tom Ashworth's Prospectors Cache (tomashworth.com / Mike Higbee / 49erMike). Author: Tom Ashworth. Original page: idaho_id.shtml. State index: https://web.archive.org/web/20040830075749/http://www.tomashworth.com/goldloc.shtml Map coordinates are an approximate county centroid — not a precise claim site. Idaho County is the state's largest gold producing county, with 2,176,550 ounces of gold being recorded from placer and lode mines between 1862 and 1959. The primary areas of interest are along Lolo, Mussell and Eldorado Creeks. There were many once rich placer mines on these creeks. Along the Salmon River bars, benches and terrace gravels there is also some rich placer ground.
Status / Verification historical_site — Legendary or approximate

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