
Big Canyon dominates the northwestern portion of this remote segment of Terrell County, cutting through a landscape defined by sharp elevation changes and dry drainage patterns. This recent 2022 survey illustrates the sparse infrastructure characteristic of the Trans-Pecos region, where human presence is primarily marked by long-distance ranch roads. Transportation in this arid environment is limited to routes like Chriesman Rd and Hutchinson Rd, which wind through the complex topography to connect isolated outposts. The map provides a clear look at the modern drainage and contour data for these deep canyon systems, reflecting the unchanging nature of this rugged Texas borderland.
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This is the sole edition of this map. No revisions or reprints were ever made.
1928 · Sanderson
USGS Topo · 1:125,000
1954 · Fort Stockton
USGS Topo · 1:250,000
1954 · Sonora
USGS Topo · 1:250,000
1958 · Sonora
USGS Topo · 1:250,000
1958 · Fort Stockton
USGS Topo · 1:250,000
1968 · Dryden
USGS Topo · 1:24,000
1969 · Continental Ranch
USGS Topo · 1:24,000
1969 · Dryden NE
USGS Topo · 1:24,000
1973 · Fort Stockton
USGS Topo · 1:250,000
1980 · Geddis Canyon East
USGS Topo · 1:24,000