
Concord and Pleasant Hill dominate this late 1950s landscape, reflecting a period of significant suburban expansion in central Contra Costa County. The map documents a dense network of local schools such as Mt Diablo H S and Acalanes HS, alongside the emerging campus of Diablo Valley College. Vital infrastructure like the Contra Costa Canal and the Mokelumne Aqueduct cut through the terrain, while Buchanan Field and the Arnold Industrial Highway highlight the era's focus on transportation and regional connectivity.
83 named features on this map. Tap any name to fly to it.
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7 editions found
1896 · Carquinez Strait
USGS Topo · 1:62,500
1896 · Mt. Diablo
USGS Topo · 1:62,500
1897 · Concord
USGS Topo · 1:62,500
1898 · Karquines
USGS Topo · 1:62,500
1898 · Mt. Diablo
USGS Topo · 1:62,500
1901 · Karquines
USGS Topo · 1:62,500
1902 · Napa
USGS Topo · 1:125,000
1907 · Antioch
USGS Topo · 1:62,500
1908 · Antioch
USGS Topo · 1:62,500
1915 · Concord
USGS Topo · 1:62,500