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1909 Map of Yosemite

Name: 1909 Topographic Map of Yosemite
Creator: U.S. Geological Survey
Published: 1909
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1909

About this map

The Hetch Hetchy Valley appears here in its natural state before its conversion to a reservoir, a highlight of this late-Edwardian era survey. The map details a landscape transition where the Stanislaus National Forest and Sierra National Forest flank the central Yosemite National Park. Notable early tourism and ranching infrastructure are documented, including the Stage Station, Hog Ranch, and Hodgdon Ranch.

Remote settlements and resource hubs like Hite Cove, El Portal, and Jerseydale are situated along the river corridors and mountain flanks. The mapping of the Merced Grove Big Trees and Mariposa Grove underscores the early conservation efforts of the period. Transportation is defined by historic routes such as the El Capitan Trail and the Pohono Trail, providing a look at the region’s early trail system before modern road development dominated the valley.