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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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By Tom Ashworth — MERCED COUNTY, CALIFORNIA County

Gold Mining Site CA • MERCED COUNTY, CALIFORNIA County County
Description
COUNTY: Merced County STATE: California From Merced Falls to Snelling in the alluvial plain between these towns the gravels were extensively operated 1929-43 by several connected bucket dredges of the Yosemite Mining and Dredging Company. They had a total production, 1880-1959, of 516,346 ounces of placer gold.
Historical Notes
Source: Tom Ashworth's Prospectors Cache (tomashworth.com / Tom Ashworth). Author: Tom Ashworth. Original page: merced_ca.shtml. Area: by Tom Ashworth. Map coordinates are an approximate county/area centroid — not a precise claim site. COUNTY: Merced County STATE: California From Merced Falls to Snelling in the alluvial plain between these towns the gravels were extensively operated 1929-43 by several connected bucket dredges of the Yosemite Mining and Dredging Company. They had a total production, 1880-1959, of 516,346 ounces of placer gold.
Status / Verification historical_site — Legendary or approximate

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