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1958 Map of Chiles Valley

Name: 1958 Topographic Map of Chiles Valley
Creator: U.S. Geological Survey
Published: 1968
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1968

About this map

Chiles Valley and the surrounding Napa highlands are captured here during a period of significant hydrological change. The eastern edge of the map is dominated by the newly formed Lake Berryessa, with the Las Putas Boundary and the settlement of Rancho Monticello marking the interface between the rising waters and the historic land grants. This survey includes underwater contours provided by the Bureau of Reclamation, documenting the inundated landscape of the Putah Creek drainage.

Local industry and early settlement traces are visible in the interior, such as the Chiles Grist Mill along Chiles Creek and the established Samuel Springs resort area. The map tracks the rugged topography of the Cedar Roughs and Greeg Mountain, providing a detailed view of the mid-century road network including Dollarhide Road and Hardin Road. From Lake Hennessey in the southwest to the Pope Creek Recreation Area in the north, the map serves as a vital record of this transitional era in California water history.