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1964 Map of Derby

Name: 1964 Topographic Map of Derby
Creator: U.S. Geological Survey
Published: 1966
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1966

About this map

Derby serves as a primary settlement point in this mid-1960s landscape, situated along the Missouri Pacific railroad line near the eastern edge of the map. The terrain is defined by a dense network of watercourses, including the Frio River, Leona River, and Live Oak Creek, which converge and wind through the center of the sheet. The economy of the era is clearly visible through numerous Gravel Pits and an active Oil Field, linked by a prominent Pipeline.

What stands out is the extensive infrastructure for water management in this South Texas environment, evidenced by dozens of named landmarks such as the Honeymoon Windmill, Zartuche Windmill, and Chivo Windmill. Large livestock water features like Costilla Tank and Cude Tank are scattered across the brushland, illustrating the ranching heritage of Frio County before modern irrigation systems fully transformed the local hydrology.