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2010 Map of Derby

Name: 2010 Topographic Map of Derby
Creator: U.S. Geological Survey
Published: 2010
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2010

About this map

Derby serves as the primary settlement on this South Texas map, situated along the eastern edge where the modern road network intersects with the regional water system. The landscape is defined by the winding paths of the Frio River and Leona River, which are fed by numerous tributaries including Buck Creek and Live Oak Creek. This area of Frio County illustrates the ranching and resource economy of the early 21st century, where water access remains vital as evidenced by a dense network of windmills and tanks, such as Honeymoon Windmill and Costilla Tank.

The industrial footprint of the Pearsall Oil Field is visible across the central and northern sections, marked by specialized infrastructure like the Oil Field Windmill. These utility sites are scattered between family-named landmarks and rural roads like Massey Rd and Guajardo Rd. The terrain reveals gradual elevation changes in places like Panther Hollow and along the banks of Todos Santos Creek, documenting the geographic layout of these Texas plains.