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2011 Map of Drews Gap

Name: 2011 Topographic Map of Drews Gap
Creator: U.S. Geological Survey
Published: 2011
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2011

About this map

Lamb Ranch and Hill Ranch anchor this high-desert landscape in Lake County, where water management defines the region's geography. The map illustrates a complex network of irrigation and storage, featuring Willow Creek Reservoir, Andy Hill Reservoir, and Clyde Fenimore Reservoir, many of which are supported by named structures like the Andy Hill Dam. This sophisticated water system is further evidenced by the North Canal Flume and various canals designed to move water across the basin.

Transportation through the area is centered on Drews Gap and the nearby Drews Gap Summit, a critical passage for Drews Gap Rd and County Hwy 1-20. Notable natural features like Cub Cliff and Patton Meadow provide markers for the surrounding terrain, while seasonal drainages such as Antelope Creek and Willow Creek thread through the Willow Creek Hills, illustrating the arid but carefully harnessed environment of the early 21st century.