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1958 Map of Clearlake Highlands

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

USGS Topo · Published 1968

About this map

The southeastern shoreline of Clear Lake dominates this mid-century survey, revealing a landscape transitioning between lakeside recreation and industrial resource extraction. Post-war development is concentrated around Clearlake Highlands and Clearlake Park, where a dense network of residential streets like Olympia Ave and Austin Ave serves the growing community. Local education is anchored by Burns Valley Sch, while the area's entertainment culture is represented by the local Drive-in Theatre.

Beyond the residential core, the map detail captures specialized resorts and landmarks such as Salminas Resort and Mt Hannah Lodge, alongside aviation sites like Hobergs Airport. To the north, the terrain shifts to the historic mineral operations at Sulphur Bank and the nearby Borax Lake. Prominent peaks like Mt Hannah and Seigler Mtn define the southern horizon, overlooking a series of secluded flats including Manning Flat and Hesse Flat.