The Rio Grande snakes through the high desert of the West Texas borderlands, carving a deep natural boundary between the United States and Mexico. This landscape is defined by the significant topographic relief of the Trans-Pecos, featuring several prominent drainages such as Tapado Canyon and Rancherias Canyon. Much of the northern terrain is protected within Big Bend Ranch State Park, preserving a wilderness where few modern structures exist. The only significant transportation corridor is Ranch Road 170, which follows the river's winding course through the lower elevations. The map provides a clear look at the geological formations that create obstacles like Closed Canyon, illustrating the remote and arid nature of the river valley in the early 21st century.
6 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.
1896 · Polvo
USGS Topo · 1:125,000
1903 · Terlingua
USGS Topo · 1:125,000
1904 · Terlingua
USGS Topo · 1:125,000
1931 · Lajitas
USGS Topo · 1:62,500
1959 · Emory Peak
USGS Topo · 1:250,000
1959 · Presidio
USGS Topo · 1:250,000
1965 · Presidio
USGS Topo · 1:250,000
1965 · Emory Peak
USGS Topo · 1:250,000
1971 · Redford SE
USGS Topo · 1:24,000
1971 · Agua Adentro Mountain
USGS Topo · 1:24,000