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1966 Map of San Dimas

Name: 1966 Topographic Map of San Dimas
Creator: U.S. Geological Survey
Published: 1984
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1984

About this map

San Jose Hills and the Puente Hills dominate this mid-century landscape as the suburban expansion of Los Angeles County reaches eastward. The transition from agricultural valley to residential and institutional hubs is evident in the development of San Dimas, Glendora, and La Verne. Large-scale regional footprints, such as the California State Polytechnic University and the Naval Industrial Reserve Ordnance Plant, show the post-war shift toward educational and industrial infrastructure.

Major transportation corridors define the area's movement, with the San Bernardino Freeway and Pomona Freeway bisecting the terrain. Local recreation and land use are anchored by the Frank G Bonelli Regional County Park and the expansive Los Angeles County Fairgrounds. The presence of a Drag Strip near the fairgrounds and various railroad lines, including the Atchison Topeka and Santa Fe Railway, highlights the diverse economic and social activity of the era.