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1902 Map of Jackson

Name: 1902 Topographic Map of Jackson
Creator: U.S. Geological Survey
Published: 1938
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1938

About this map

The California Mother Lode region at the turn of the century is defined by its deep integration of mining operations, water management, and expanding rail lines. This survey, conducted in 1888, highlights the complex terrain of the Sierra foothills where the Mokelumne River and Calaveras River cut through the landscape. Mining legacy is central to the area's identity, evidenced by the Rich Gulch & Mine and the timber-processing Saw Mill near the high ridges.

Settlement patterns show established centers like Jackson and San Andreas alongside smaller outposts such as Lancha Plana, Jenny Lind, and Angels Camp. Infrastructure for the era's booming industry is visible through the Amador Branch Railroad and the Stockton and Copperopolis Railroad, which connected these mountain resources to the valley floor. Water systems, crucial for both mining and agriculture, are represented by the Salt Spring Valley Reservoir and numerous smaller mountain reservoirs and flumes.