Rio Grande waters define the rugged international boundary between the Estados Unidos Mexicanos and the United States, flowing through a landscape of deep canyons and arid plateaus. This remote section of the border is preserved within the Amistad National Recreation Area in Val Verde Co, where the river's path is constrained by the limestone topography of the Chihuahuan Desert. The absence of settlements on this 2016 survey emphasizes the wilderness character of the region, focusing instead on the complex hydrography and elevation contours that mark the winding river corridor. It captures the modern cartographic state of this section of the border, providing a precise record of the shoreline and international markers during the early twenty-first century.
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This is the sole edition of this map. No revisions or reprints were ever made.
1943 · Langtry
USGS Topo · 1:62,500
1943 · Shumla
USGS Topo · 1:62,500
1944 · Mouth Of Pecos
USGS Topo · 1:62,500
1958 · Del Rio
USGS Topo · 1:250,000
1964 · Del Rio
USGS Topo · 1:250,000
1972 · Zuberbueler Bend NW
USGS Topo · 1:24,000
1972 · Seminole Canyon
USGS Topo · 1:24,000
1972 · Zuberbueler Bend
USGS Topo · 1:24,000
1973 · Langtry
USGS Topo · 1:24,000
1973 · Shumla
USGS Topo · 1:24,000