The Rio Grande serves as the international boundary along the southwestern edge of this Webb County survey, shaping the development of neighboring border communities. The settlements of Rio Bravo and El Cenizo are established along the river's northern banks, characterized by a dense grid of residential streets like Paseo De Danubio Rd and Espejo Molina Rd. Moving inland, the landscape shifts toward large ranching tracts and open terrain, punctuated by the Mendez Hills and several isolated water bodies including O'Keefe Lake and La Perla Ranch Lake Number 1. Transportation in this semi-arid region is anchored by the Mangana-Hein Rd corridor and the private Rancho Blanco Airport, which support the area's agricultural and logistical needs. Smaller waterways like Dolores Cr carve through the brushland, marking the natural drainage patterns of this South Texas borderland.
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This is the sole edition of this map. No revisions or reprints were ever made.
1933 · Becerra Creek
USGS Topo · 1:62,500
1942 · San Ygnacio
USGS Topo · 1:62,500
1956 · Laredo
USGS Topo · 1:250,000
1979 · Isla Mesteno
USGS Topo · 1:24,000
1979 · Laredo South
USGS Topo · 1:24,000
1979 · O'Keefe Lake
USGS Topo · 1:24,000
1980 · Blancas Creek North
USGS Topo · 1:24,000
1980 · Blancas Creek South
USGS Topo · 1:24,000
1980 · Arroyo Salado East
USGS Topo · 1:24,000
1985 · San Ygnacio
USGS Topo · 1:100,000