
The Rio Grande defines the western edge of this remote Presidio County landscape, marking the international boundary between the United States and Mexico. The terrain is characterized by deep drainages and high plateaus, notably Quinn Mesa in the east and the expansive Arroyo Enmedio cutting through the center. Water sources are scarce in this arid environment, represented by the seasonal flow of Quinn Cr, Van Horn Cr, and the isolated Siffer Spring. A single significant track, White Tank Rd, provides the primary overland access through the high-elevation contours. This survey illustrates the stark geographic isolation of the Big Bend region, where the relief drops sharply from the interior mesas down toward the river floodplain.
8 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.
1892 · Chispa
USGS Topo · 1:125,000
1895 · Chispa
USGS Topo · 1:125,000
1896 · San Carlos
USGS Topo · 1:125,000
1897 · Chispa
USGS Topo · 1:125,000
1959 · Marfa
USGS Topo · 1:250,000
1965 · Marfa
USGS Topo · 1:250,000
1972 · Soldier Spring
USGS Topo · 1:24,000
1972 · Bennett Ranch
USGS Topo · 1:24,000
1978 · Gettysburg Peak
USGS Topo · 1:24,000
1978 · Vieja Pass
USGS Topo · 1:24,000