Douglass Ranch Airport stands as a focal point in this 2013 survey of rural Duval County, characterized by a sparse network of ranch roads and intermittent watercourses. The landscape is defined by the drainage patterns of Animas Cr S in the northeast and the diverging branches of Parrilla Cr N and Parrilla Cr S. These seasonal creeks reflect the arid environment of South Texas, where water management is critical for local ranching operations. The inclusion of the Perez Windmill and New Windmill provides specific evidence of the infrastructure used to sustain livestock across these large landholdings, marking the intersection of family-named landmarks and the practical necessities of regional agricultural life.
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This is the sole edition of this map. No revisions or reprints were ever made.
1956 · Freer
USGS Topo · 1:62,500
1956 · Las Mujeres
USGS Topo · 1:62,500
1956 · Laredo
USGS Topo · 1:250,000
1967 · Parrilla Creek SE
USGS Topo · 1:24,000
1968 · Parrilla Creek SW
USGS Topo · 1:24,000
1968 · Mills Bennett
USGS Topo · 1:24,000
1968 · Parrilla Creek NW
USGS Topo · 1:24,000
1968 · Parrilla Creek NE
USGS Topo · 1:24,000
1968 · San Pablo
USGS Topo · 1:24,000
1971 · Freer South
USGS Topo · 1:24,000