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1951 Map of Mt. Vaca

Name: 1951 Topographic Map of Mt. Vaca
Creator: U.S. Geological Survey
Published: 1967
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1967

About this map

Vacaville and Fairfield anchor the eastern and southern edges of this 1951 landscape, serving as gateways to the complex system of valleys and ridges between Napa and Solano counties. The eastern slopes of the English Hills descend into the Vaca Valley, where the Peña House (Historic Site) stands as a landmark of the region's ranching heritage. This era shows a rural network of schoolhouses like the Rhine Sch and Oakdale Sch, and agrarian hubs such as Mankas Corner and the Chimiles Farm Center.

Water management and local industry are evident in the presence of the Milliken Reservoir and several quarries. The Southern Pacific Railroad skirts the southern plains near Tolenas, while the northern portion of the map is dominated by the nascent Lake Berryessa and the rugged Blue Ridge. This survey captures the transition from isolated ranching outposts like Pioneer Ranch and Munson Ranch toward more structured county infrastructure, including the County Hospital in Fairfield.