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1955 Map of Blue Canyon

Name: 1955 Topographic Map of Blue Canyon
Creator: U.S. Geological Survey
Published: 1980
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1980

About this map

Gold mining history and the evolution of Sierra Nevada infrastructure meet at Emigrant Gap, a critical mountain passage where the Southern Pacific railroad and the Pacific Highway snake through the Tahoe National Forest. The landscape is a complex network of mid-century water management, featuring the Drum Canal, Canal systems, and massive engineering works like the Lake Spaulding reservoir and the Rim Powerhouse.

Resource extraction footprints are visible in the numerous mining sites such as the Eagle Bird Mine and Zeibright Mine. Local aviation and safety services are represented by the Blue Canyon Weather Station, an Airway Beacon, and the Blue Canyon Guard Station. The map captures a moment when traditional mountain settlements like Blue Canyon and Omega existed alongside burgeoning recreational sites such as Tunnel Mills Campground and Camp Spaulding.