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1954 Map of Pilot Hill

Name: 1954 Topographic Map of Pilot Hill
Creator: U.S. Geological Survey
Published: 1986
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1986

About this map

The North Fork American River and South Fork American River carve through the landscape of the El Dorado and Placer County border, revealing a terrain deeply shaped by the California Gold Rush and its subsequent industrial evolution. Early settlement centers around Pilot Hill, where the presence of the Bayley House and Pilot Hill Cemetery points to a well-established community. The map identifies numerous mining operations, including the Zantgraf Mine and Boulder Mine, reflecting the region's mineral-rich history.

Infrastructure like the Boardman Canal and South Canal underscores the critical importance of water management for both mining and local agriculture. The transition of the landscape is further marked by the presence of Goose Flat (Site) and the Auburn Rancheria, indicating layered histories of habitation. From the heights of Flagstaff Hill to the depths of Knickerbocker Canyon, the topography is defined by sharp ravines and scattered industrial prospects that characterize this section of the Sierra Nevada foothills.