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1911 Map of Bridgeport

Name: 1911 Topographic Map of Bridgeport
Creator: U.S. Geological Survey
Published: 1947
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1947

About this map

Bridgeport serves as the central hub of this eastern Sierra landscape, surveyed early in the twentieth century. The map captures a high-altitude world of mineral extraction and frontier transit, anchored by the gold mining district of Bodie and the Masonic (Pittsburg Liberty Mine) to the northeast. The rugged topography is defined by the Sweetwater Mountains and the sawtooth peaks of Yosemite National Park, which dominates the southwestern corner of the sheet. Between these ranges, the East Walker River and Robinson Creek feed a complex system of alpine lakes, including the distinctive Twin Lakes and the northern shores of Mono Lake.

Evidence of the era's industry and infrastructure is found at the Dunderberg Mine and the May Lundy Mine, while the social fabric is marked by sites like the County Farm and Mormon Ranch. Travelers of the period relied on the California Masonic Road and stops like Conways Stage Station to navigate the steep passes. This survey provides a clear look at the region's transition from a primary mining economy to an established alpine settlement pattern before later development altered the water levels and road systems.