
Oil and gas exploration dominates the brush country of Duval County in this mid-century tactical survey. The landscape around Freer is defined by a dense network of pipelines, storage tanks, and productive zones such as Seven Sisters Field, Loma Vista Field, and Lundell Field. These industrial operations exist alongside a sparse but enduring network of South Texas ranching properties. Significant family-named landmarks such as Cuatitas Ranch, Shoemaker Ranch, and Rancho Seco are visible, often located near seasonal watercourses like Rosita Creek and Charamusca Creek. The presence of Government Wells north of the town center points to the critical importance of water access in this semi-arid terrain, while the proliferation of drilling sites and tank batteries illustrates the intense energy development that transformed the regional economy during this era.
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This is the sole edition of this map. No revisions or reprints were ever made.
1920 · Mikeska
USGS Topo · 1:125,000
1937 · Loma Alta
USGS Topo · 1:62,500
1953 · Crystal City
USGS Topo · 1:250,000
1955 · Crystal City
USGS Topo · 1:250,000
1956 · Benavides
USGS Topo · 1:62,500
1956 · Rosita Ranch
USGS Topo · 1:62,500
1956 · Piedra Creek
USGS Topo · 1:62,500
1956 · Las Mujeres
USGS Topo · 1:62,500
1956 · Laredo
USGS Topo · 1:250,000
1961 · Crystal City
USGS Topo · 1:250,000