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1929 Map of Newhall

Name: 1929 Topographic Map of Newhall
Creator: U.S. Geological Survey
Published: 1929
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1929

About this map

The Santa Susana Mountains dominate the southern portion of this region, which was surveyed during the late 1920s. This map illustrates the transition from the rugged canyons of the northern range to the historical northern limits of the Ex Mission San Fernando boundary. The central landscape is defined by a dense network of watercourses and deep drainages, including Placerita Creek, Newhall Creek, and the steep descents of Towsley Canyon and Rice Canyon.

Tracing the historical transportation routes of the area, the map highlights the San Fernando Pass, a critical geographic bottleneck. To the south, the terrain opens toward the headwaters of Bull Creek and Bull Canyon, offering researchers a detailed view of the land before modern urban expansion altered the northern reaches of the Los Angeles basin. This advance sheet captures the landform and drainage patterns just as they were being formalised by J. E. Rockhold, County Surveyor.