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1978 Map of Brentwood

Name: 1978 Topographic Map of Brentwood
Creator: U.S. Geological Survey
Published: 1978
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1978

About this map

Brentwood and Oakley anchor this landscape during a period of agricultural and infrastructural development in eastern Contra Costa County. The map details a complex water management system essential to the region, featuring the Contra Costa Canal, the Main Canal, and the Mokelumne Aqueduct cutting across the terrain. These systems, alongside the Marsh Creek Reservoir, supported the orchards and fields of Los Meganos and Lone Tree Valley.

Rail transport remained central to the area's layout, with the Atchison Topeka and Santa Fe and Southern Pacific lines threading through communities like Knightsen, Byron, and Sand Hill. Local history is preserved in the location of several educational institutions, including Liberty Union High Sch and Gehringer Sch, and the Union Cem situated near the intersection of Point of Timber Rd and Byron Highway.