Twelvemile Camp sits at the northern edge of this high-plateau landscape, where the seasonal waters of Twelvemile Cr cut through the West Texas terrain. The map records a complex network of ranch and access roads, including Thompson Ranch Rd and Big Elk Rd, which navigate the various breaks and draws of the Trans-Pecos. This area is defined by sharp elevation changes and named geographical features like Simpson Canyon and Deer Canyon, illustrating the challenging environment of the Edwards Plateau. Along the southern border, the boundary between Crockett Co and Pecos Co is clearly marked near the lower reaches of Riffle Canyon, providing a precise look at these county lines in relation to River Rd.
10 named features on this map. Tap any name to fly to it.
Don’t see what you’re looking for? This feature index may not catch every label — zoom into the map to look around manually.
This is the sole edition of this map. No revisions or reprints were ever made.
1928 · Rankin
USGS Topo · 1:125,000
1929 · Sheffield
USGS Topo · 1:125,000
1954 · Sonora
USGS Topo · 1:250,000
1954 · San Angelo
USGS Topo · 1:250,000
1958 · Sonora
USGS Topo · 1:250,000
1958 · San Angelo
USGS Topo · 1:250,000
1965 · San Angelo
USGS Topo · 1:250,000
1967 · Twelvemile Camp
USGS Topo · 1:24,000
1967 · Divide Country
USGS Topo · 1:24,000
1967 · Deer Canyon
USGS Topo · 1:24,000