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1950 Map of Dutch Flat

Name: 1950 Topographic Map of Dutch Flat
Creator: U.S. Geological Survey
Published: 1971
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1971

About this map

Hydraulic mining scars and gold-era infrastructure dominate this 1950s record of the Sierra Nevada foothills. The landscape is defined by extensive earthworks such as Nichols Diggings, Liberty Hill Diggings, and the colorfully named Pug Ugly Diggings, which reflect the region's intensive 19th-century resource extraction. Central to the map's geography is the town of Dutch Flat, a significant Gold Rush settlement situated near the Southern Pacific railroad and the Pacific Highway.

Water management systems are prominent, including the Boardman Canal and Lake Alta, supporting both mining and power generation at the Alta Powerhouse. The topography drops sharply into the canyon of the North Fork American River, where features like Lovers Leap and Giant Gap mark the steep descent. Small communities and railway stops like Gold Run, Towle, and Baxter trace the corridor of transport and trade that sustained these foothill towns.