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2012 Map of Keystone Ranch

Name: 2012 Topographic Map of Keystone Ranch
Creator: U.S. Geological Survey
Published: 2012
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2012

About this map

Keystone Ranch serves as the central landmark for this section of Frio County, where a network of county roads like Cox Rd and Malone Rd navigate a landscape defined by intermittent watercourses. The drainage patterns of San Miguel Cr, Black Cr, and Cat Cr illustrate the arid character of the South Texas brush country, with water concentrated at sites like Howard Lake.

Functional landmarks reveal the area's pastoral utility, specifically a series of named water-pumping stations scattered across the terrain. These include the Triangle Windmill, Brushy Windmill, and Loston Windmill, which signify the critical infrastructure required for ranching operations in this environment. The presence of Chain Windmill and Creek Windmill further emphasizes the reliance on groundwater to support life and livestock away from the primary creek beds.