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1948 Map of Moccasin

Name: 1948 Topographic Map of Moccasin
Creator: U.S. Geological Survey
Published: 1963
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1963

About this map

Gold-bearing hills and hydraulic engineering intersect near Moccasin in the late 1940s. The landscape is defined by the massive infrastructure of the Hetch Hetchy Aqueduct and the waters of the Don Pedro Reservoir, which dominate the western sections of the quadrangle. Significant industrial history is evident through the presence of the Inclined Railroad and the Moccasin Res, components of the regional water and power system.

Mining legacies remain prominent near the settlement of Jacksonville, where the Clio Mine and Harriman Mine are located. To the east, the terrain rises sharply toward Penon Blanco Ridge and the community of Big Oak Flat. This survey captures the region as a primary corridor for water transport and resource extraction, with detailed routes like the Hetch Hetchy Grade and Old Priest Grade carving through the steep topography between Moccasin Creek and Rattlesnake Creek.