
The Rio Grande serves as the international boundary between the United States and Mexico along this isolated stretch of the Big Bend region. The small settlement of Ruidosa stands as the primary human landmark, situated near the intersection of FM 170 and Hot Springs Rd. The terrain is defined by dramatic desert drainage systems, where seasonal watercourses like Arroyo Escondido and Arroyo Baviza cut through the arid landscape toward the river. To the east, the topography rises toward Pinto Canyon, accessed by the unpaved Pinto Canyon Rd. This survey illustrates the relationship between the few established transit corridors and the natural bottlenecks created by the canyon and river valley, highlighting how geography dictates the sparse settlement patterns in Presidio County.
10 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 · Ruidosa
USGS Topo · 1:125,000
1896 · San Carlos
USGS Topo · 1:125,000
1959 · Presidio
USGS Topo · 1:250,000
1959 · Marfa
USGS Topo · 1:250,000
1965 · Presidio
USGS Topo · 1:250,000
1965 · Marfa
USGS Topo · 1:250,000
1966 · Adobes
USGS Topo · 1:24,000
1978 · Sierra Parda
USGS Topo · 1:24,000
1979 · Ruidosa Hot Springs
USGS Topo · 1:24,000
1979 · Pueblo Nuevo
USGS Topo · 1:24,000