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2014 Map of Coleman Lake

Name: 2014 Topographic Map of Coleman Lake
Creator: U.S. Geological Survey
Published: 2014
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2014

About this map

Coleman Valley and its high desert hydrology define this landscape in eastern Lake County. The map documents a complex network of seasonal water sources and drainage patterns, anchored by Coleman Lake and the nearby Greaser Lake. For researchers of western land use, the presence of named water improvements like Greaser Reservoir and Cahill Reservoir, alongside natural outflows such as Twentymile Slough, illustrates the vital importance of water management in this arid region.

The terrain is punctuated by significant elevation changes, from the depths of Jones Canyon and Greaser Canyon to the alluvial flats where Coleman Cr and Sucker Cr descend. Local history and genealogy enthusiasts can trace old routes like Coleman Valley Rd and Gravelly Coleman, which connect various family-named and landmark springs, including Foskett Spring, Burro Spring, and Jackass Spring. These small water points were often the lifeblood for early ranching and travel through the Great Basin.