
Mission and Mcallen anchor this detailed landscape where urban expansion meets the agricultural and natural corridors of the borderlands. The southern boundary is defined by the winding course of the Rio Grande, or Rio Bravo, where international water rights and historical land partitions are visible in named tracts like Anzalduas Banco No 45 and Granjeno Banco No 44. This area is a critical ecological zone, preserved through the Lower Rio Grande Valley National Wildlife Refuge, which provides a buffer between the densely packed residential areas of Mission and the riverbanks.
69 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1914 · San Juan
USGS Topo · 1:48,000
1916 · San Juan
USGS Topo · 1:62,500
1940 · Monte Christo
USGS Topo · 1:62,500
1949 · Mc Allen
USGS Topo · 1:250,000
1954 · McAllen
USGS Topo · 1:250,000
1957 · Mc Allen
USGS Topo · 1:250,000
1962 · McAllen
USGS Topo · 1:250,000
1962 · Las Milpas
USGS Topo · 1:24,000
1963 · La Joya
USGS Topo · 1:24,000
1963 · Edinburg
USGS Topo · 1:24,000