
The Berkeley Hills and Briones Hills dominate the western terrain of this 1941 tactical study, while the inland valleys show a suburban landscape in its early formation. Major transit arteries like the Sacramento Northern RR and the Southern Pacific RR connect established hubs such as Concord and Walnut Creek. Cultural landmarks are prominently marked, including the campus of St Marys College near Moraga and Sherman Field located north of Hookston. The map's heavy focus on water management is evident in the detailed representation of the San Pablo Reservoir, Lafayette Reservoir, and the Upper San Leandro Reservoir. Land ownership patterns are still influenced by large historical tracts, such as the Boca de la Canada del Pinole and Laguna de los Palos Colorados, reflecting the region's transition from ranching heritage to modern residential development.
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This is the sole edition of this map. No revisions or reprints were ever made.
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