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1959 Map of Highland Springs

Name: 1959 Topographic Map of Highland Springs
Creator: U.S. Geological Survey
Published: 1961
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1961

About this map

The Mayacmas Mountains dominate this landscape along the Lake Co Mendocino Co border during the late 1950s. The terrain is defined by dramatic elevation changes, where high ridges like Cloverdale Peak and Monument Peak overlook narrow basins such as Donovan Valley and High Valley. The eastern portion of the sheet opens into Big Valley, revealing a more developed agrarian and community structure centered around the Big Valley Community Center and the Lampson Airport.

Water resources are central to the area's identity, evidenced by the numerous named springs and the namesake Highland Springs, which includes a Mineral Spring and a Gaging Station along Highland Springs Creek. The network of roads, including the Hopland Grade Road and Highland Springs Road, suggests a region transitioning between remote ranching outposts like High Valley Ranch and the established valley settlements. This survey captures a moment when the infrastructure of Lake County was firmly rooted in its natural hydrology and mountain geography.