Longhorn Oil Field sits in the brush country of Duval County, marking the extraction-based industry of this South Texas landscape. This early 21st-century survey documents a network of rural county roads, such as Co RD 270 and Co RD 261, that crisscross the arid terrain to connect scattered ranching outposts like Miller Ranch. The drainage patterns of Los Olmos Creek, Macho Creek, and Cibolo Creek define the geography, while Vicinity Cemetery provides a specific point of interest for genealogists tracing local families. The prominence of Farm to Market roads, including FM 716, illustrates the infrastructure required to support the region's agricultural and energy sectors during this era.
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This is the sole edition of this map. No revisions or reprints were ever made.
1921 · Falfurrias
USGS Topo · 1:125,000
1956 · Benavides
USGS Topo · 1:62,500
1956 · Laredo
USGS Topo · 1:250,000
1967 · Hebbronville SE
USGS Topo · 1:24,000
1967 · Parrilla Creek SE
USGS Topo · 1:24,000
1967 · Realitos
USGS Topo · 1:24,000
1968 · Concepcion
USGS Topo · 1:24,000
1968 · San Jose
USGS Topo · 1:24,000
1968 · Benavides
USGS Topo · 1:24,000
1968 · Concepcion NW
USGS Topo · 1:24,000