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1972 Map of Armstrong Ranch

Name: 1972 Topographic Map of Armstrong Ranch
Creator: U.S. Geological Survey
Published: 1975
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1975

About this map

Armstrong Ranch serves as the namesake for this South Texas landscape during the early 1970s, where the cattle-raising tradition of Jim Hogg County intersects with the growing energy sector. The map reveals a land defined by ephemeral watercourses such as Arroyo del Gato and Arroyo Baluarte, where vital water sources like the Chorrito Windmill, Azucar Windmill, and Nuevo Windmill are scattered across the brushland.

Industrial development is centered on the extensive Las Animas Oil and Gas Field and the Armstrong Oil Field. The presence of numerous Oil Wells and Drill Holes, connected by a network of underground Pipelines, illustrates the mid-century transition from purely ranching operations to a sophisticated extraction economy. This survey documents the specific placement of individual wells and property boundaries during a peak period of regional oil exploration.