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1993 Map of Highland Springs

Name: 1993 Topographic Map of Highland Springs
Creator: U.S. Geological Survey
Published: 1993
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1993

About this map

The Mayacmas Mountains dominate this 1993 revision, showcasing a landscape defined by significant elevation changes between the flat agricultural reaches of Big Valley and the surrounding high country. In the northeastern corner, Lampson Field provides a modern aviation anchor near the transition from the valley floor to the foothills. Water management is a primary theme of the terrain, visible through the Highland Springs Reservoir and Adobe Reservoir, which collect runoff from various mountain drainages.

Remote valleys like High Valley and Tyler Valley are tucked between prominent peaks such as Monument Peak and Cloverdale Peak. The historical Hopland Grade Road winds through the northern section, tracing an essential route across the Lake Co Mendocino Co border. Local infrastructure is sparse but specific, including a Boat Ramp at the reservoir and a Gaging Station on Adobe Creek, reflecting the area's focus on water resources and recreation at the settlement of Highland Springs.