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1968 Map of Concepcion NW

Name: 1968 Topographic Map of Concepcion NW
Creator: U.S. Geological Survey
Published: 1971
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1971

About this map

Longhorn Field defines the industrial landscape of this Duval County quadrangle, where petroleum extraction and ranching intersect. Numerous Oil Wells, Gas Well sites, and a Flowing Well are scattered across the brushy terrain, connected by a network of unimproved roads and fine red-dashed fence lines. The hydrological pattern is dominated by the meandering paths of Los Olmos Creek and Macho Creek, which cut southeast across the landscape toward the Vicinity Cem.

The presence of Miller Ranch and the Realitos North Base triangulation point highlights the rural, sparsely settled character of South Texas during the late 1960s. Several Gravel Pit operations are visible near the ephemeral stream beds, while the southern edge of the survey captures a portion of Cibolo Creek. This map documents a specific era of Texas oil production and land management before modern expansion altered these traditional ranching boundaries.