The international border between United States of America and Estados Unidos Mexicanos defines this specific geography along the Rio Grande corridor. This 2016 survey focuses on the arid landscape south of the Amistad Reservoir, where the political boundary separates Val Verde Co, Texas from the neighboring Mexican state of Coahuila. The map detail is focused primarily on the drainage patterns and topography south of the border, providing a high-resolution view of the terrain within the Mexican interior. While few man-made structures are labeled, the intricate network of arroyos and elevation contours illustrates the complex physical geography of this borderland region just downstream from the major dam works.
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This is the sole edition of this map. No revisions or reprints were ever made.
1943 · Devils River
USGS Topo · 1:62,500
1943 · Del Rio
USGS Topo · 1:62,500
1944 · Sycamore Ranch
USGS Topo · 1:62,500
1944 · Devils River
USGS Topo · 1:62,500
1958 · Del Rio
USGS Topo · 1:250,000
1964 · Del Rio
USGS Topo · 1:250,000
1972 · Amistad Dam
USGS Topo · 1:24,000
1972 · Del Rio SW
USGS Topo · 1:24,000
1972 · Del Rio NW
USGS Topo · 1:24,000
1985 · Amistad Village
USGS Topo · 1:100,000