The Rio Grande defines the northeastern boundary of this remote international landscape along the Texas-Mexico border. This 2012 digital survey reveals a terrain dominated by complex arroyos and drainage patterns that channel water toward the river. The most significant human-named landmark is the Vado Crossing, a historical point of passage situated where the river makes a sharp bend in the upper right of the map. This area represents a quiet segment of the border, where natural topography and seasonal hydrology remain the primary features of interest for those studying the physical geography or historical transit points of the Big Bend region.
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This is the sole edition of this map. No revisions or reprints were ever made.
1896 · Ruidosa
USGS Topo · 1:125,000
1959 · Presidio
USGS Topo · 1:250,000
1965 · Presidio
USGS Topo · 1:250,000
1966 · Adobes
USGS Topo · 1:24,000
1978 · Sierra Parda
USGS Topo · 1:24,000
1979 · Indio
USGS Topo · 1:24,000
1980 · Las Conchas
USGS Topo · 1:24,000
1985 · Presidio
USGS Topo · 1:100,000
1993 · Presidio
USGS Topo · 1:100,000
2010 · Sierra Parda
USGS Topo · 1:24,000