The Rio Grande serves as the international boundary on this southern Texas border survey, separating the United States of America and Estados Unidos Mexicanos. The landscape is defined by the high elevations of the Chisos Mountains to the north, including the prominent Punta de la Sierra and Cow Heaven Mountain. This area is characterized by a network of seasonal drainages and remote outposts situated along the river's winding course.
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This is the sole edition of this map. No revisions or reprints were ever made.
1903 · Chisos Mountains
USGS Topo · 1:125,000
1905 · Chisos Mountains
USGS Topo · 1:125,000
1959 · Emory Peak
USGS Topo · 1:250,000
1965 · Emory Peak
USGS Topo · 1:250,000
1971 · Glenn Spring
USGS Topo · 1:24,000
1971 · Cerro Castellan
USGS Topo · 1:24,000
1971 · Reed Camp
USGS Topo · 1:24,000
1971 · Smoky Creek
USGS Topo · 1:24,000
1971 · Emory Peak
USGS Topo · 1:24,000
1985 · Chisos Mountains
USGS Topo · 1:100,000