The winding course of the Devils River dominates the northwest corner of this terrain, cutting through the high limestone plateaus of Val Verde County. Access to this arid landscape is primarily defined by Ranch Rd 189, which follows the river valley before climbing into the surrounding uplands. The drainage patterns are further marked by Buckley Draw and Threemile Draw, seasonal watercourses that illustrate the complex erosion and canyon systems typical of the Edwards Plateau. This survey reveals a sparsely settled region where the topography itself dictates the routes of travel and land use, providing a clear record of the area's natural hydrology and primary road network.
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This is the sole edition of this map. No revisions or reprints were ever made.
1954 · Sonora
USGS Topo · 1:250,000
1958 · Sonora
USGS Topo · 1:250,000
1967 · Flat Rock Draw SE
USGS Topo · 1:24,000
1967 · Flat Rock Draw SW
USGS Topo · 1:24,000
1970 · Juno
USGS Topo · 1:24,000
1970 · Brushy Draw
USGS Topo · 1:24,000
1970 · Deaton Draw
USGS Topo · 1:24,000
1973 · White Draw NW
USGS Topo · 1:24,000
1973 · Robinson Draw
USGS Topo · 1:24,000
1973 · White Draw NE
USGS Topo · 1:24,000