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1968 Map of Keystone Ranch

Name: 1968 Topographic Map of Keystone Ranch
Creator: U.S. Geological Survey
Published: 1982
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1982

About this map

Keystone Ranch serves as the central landmark for this section of South Texas, where a network of water resources and ranching infrastructure defines the arid landscape. The area is heavily marked by scattered water management features, including several family-named or descriptive landmarks like Loston Windmill, Greek Windmill, and Brushy Windmill. These structures, alongside Howard Lake, represent the critical importance of water for livestock in the Brush Country.

Drainage systems such as Black Creek, Cat Creek, and San Miguel Creek carve through the terrain toward the southern Marshall Hills. Industrial activity is evident near the ranch through various Gravel Pits and Borrow Pit excavations, while scattered Drill Holes suggest subsurface exploration across the scrubland. This 1982 update reflects revisions made from 1979 aerial photography, capturing the persistent character of this rural ranching territory.