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2021 Map of Hernandez Reservoir

Name: 2021 Topographic Map of Hernandez Reservoir
Creator: U.S. Geological Survey
Published: 2021
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2021

About this map

The San Benito River winds through the southern reaches of this landscape, anchoring a complex system of canyons and gulches within the Diablo Range. The terrain is defined by prominent peaks including Bucks Peak, Tucker Mtn, and Black Mtn, which overlook a network of seasonal water sources such as Ashurst Spring, Red Corral Spring, and Bucks-Peak-Spring. High-elevation landmarks like Castle Rock and the Syncline Divide provide clear orientation for researchers studying the geological folds of the region.

Transportation is limited to the historic New Idria Rd in the north, which skirts the Vallecitos area. Small bodies of water like Merrill Lake and various drainage points such as Byles Canyon and Baker Canyon suggest the drainage patterns essential to local ranching and land use. This survey documents the intersection of several township and range boundaries, including t17s r11e and t18s r10e, marking the transition between rugged interior summits and the river valley below.