Falcon Reservoir forms the southwestern corner of this South Texas landscape, where the seasonal drainage of the Arroyo Miguel and Arroyo Peñas meets the reservoir's edge. This 2012 survey illustrates the arid ranching geography of Zapata and Webb Counties, characterized by a complex network of private roads and water management features. Ranching infrastructure is central to the area's identity, evidenced by numerous stock tanks such as Correhuela Tank, Esado Tank, and Margarita Tank.
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This is the sole edition of this map. No revisions or reprints were ever made.
1938 · Falcon
USGS Topo · 1:62,500
1938 · El Sauz
USGS Topo · 1:62,500
1938 · Cuevitas
USGS Topo · 1:62,500
1949 · Mc Allen
USGS Topo · 1:250,000
1954 · McAllen
USGS Topo · 1:250,000
1956 · Arroyo Clareno
USGS Topo · 1:62,500
1957 · Mc Allen
USGS Topo · 1:250,000
1962 · McAllen
USGS Topo · 1:250,000
1965 · Lopeno
USGS Topo · 1:24,000
1965 · Beckwith Arm
USGS Topo · 1:24,000