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1948 Map of Estrella

Name: 1948 Topographic Map of Estrella
Creator: U.S. Geological Survey
Published: 1952
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1952

About this map

The winding Estrella River defines this landscape in northeastern San Luis Obispo County, where the high desert terrain of the Inner Coast Range meets agricultural expansion. In the late 1940s, this area was characterized by a network of ranching outposts and small rural communities like Estrella and Whitley Gardens. The presence of several educational sites, including Pleasant Valley Sch and Union Sch, points to a dispersed but established population of homesteading families.

Evidence of early regional infrastructure is prominent, including the Paso Robles-San Luis Obispo County Airport and a separate Airstrip near Hillman Ranch. The terrain is deeply incised by drainages such as Hog Canyon, Freeman Canyon, and Ranchito Canyon, while numerous labels for Windmill sites and a Pumping Sta reflect the critical importance of water management in this arid environment. A small notation for Oil near Dry Creek indicates the early exploration of mineral resources that would later become more central to the local economy.