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2022 Map of Dentonio

Name: 2022 Topographic Map of Dentonio
Creator: U.S. Geological Survey
Published: 2022
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2022

About this map

Deep South Texas ranching country in Dimmit County defines this area, where seasonal watercourses like San Lorenzo Cr and El Moro Cr carve subtle drainages across the landscape. The reliance on private aviation for managing expansive landholdings is evident through the presence of the Miller Ranch Airport in the north and the Dentonio Ranch Airport further south. These landing strips, situated among network of ranch roads like Faith Ranch Rd, highlight the logistical infrastructure required for large-scale cattle operations and land management in this part of the Rio Grande Plain.

The eastern portion of the map is characterized by the meandering path of Bonito Cr, which feeds into George Lake. This reservoir serves as a critical water source in a region where surface water is otherwise limited to intermittent creeks and ephemeral tanks. The road network is sparse, centered on Fm 186, reflecting the low-density settlement pattern typical of Texas brush country during this era.