The Rio Grande winds through this sparsely labeled borderland, forming the primary physical landmark in a terrain defined by complex drainage patterns and desert arroyos. This 2012 survey illustrates the winding course of the international boundary near Chihuahua, Mexico, capturing the hydrographic detail of the river before it enters the more confined canyons to the east. The absence of named human settlements or infrastructure emphasizes the remote, natural state of the river valley during the early 21st century. Researchers can use this sheet to study the specific geomorphology of the riparian corridor and the numerous unnamed tributary channels that descend toward the riverbank.
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This is the sole edition of this map. No revisions or reprints were ever made.
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
1965 · Emory Peak
USGS Topo · 1:250,000
1971 · Amarilla Mountain
USGS Topo · 1:24,000
1971 · Lajitas
USGS Topo · 1:24,000
1971 · Mesa De Anguila
USGS Topo · 1:24,000
1971 · Santana Mesa
USGS Topo · 1:24,000
1985 · Chisos Mountains
USGS Topo · 1:100,000