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1958 Map of Thelma

Name: 1958 Topographic Map of Thelma
Creator: U.S. Geological Survey
Published: 1961
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1961

About this map

The Medina River corridor south of San Antonio reveals a landscape defined by traditional ranching and the emerging petroleum industry of the late 1950s. Small rural communities like Oak Island and Thelma serve as focal points for the region, with local landmarks such as Thelma Ch and the Thelma Tabernacle anchoring the social fabric. The southern portion of the map is heavily wooded, carved by the winding paths of Gallinas Creek and Elm Creek.

Industrial activity is evident through numerous Oil Wells and Oil Well sites scattered across the terrain, alongside various Sandpits that indicate local resource extraction. The Missouri Pacific railroad cuts through the northern section, providing a vital transport link for the area's agricultural and industrial output. Surveyed by the Army Map Service, this record captures the boundary between Bexar and Atascosa counties during a period of steady rural development.