The Rio Grande serves as the primary geographical and political anchor for this borderland terrain, winding through the arid landscape south of Laredo. This 2016 survey emphasizes the international boundary separating Texas and Estados Unidos Mexicanos, within the jurisdiction of Webb Co. The mapping details a network of ephemeral streams and local drainages that feed toward the river valley, illustrating the complex hydrology of the Rio Grande basin. The proximity of the United States of America to the northern Mexican border is the defining characteristic here, showcasing a landscape of cross-border connectivity and shared environmental features in a region defined by its geopolitical significance.
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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
1956 · Islitas
USGS Topo · 1:62,500
1956 · Laredo East
USGS Topo · 1:62,500
1956 · Laredo
USGS Topo · 1:250,000
1965 · Laredo West
USGS Topo · 1:24,000
1965 · Laredo East
USGS Topo · 1:24,000
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
1985 · Laredo
USGS Topo · 1:100,000