Gillis Ranch and the rugged canyonlands of Val Verde County dominate this 2016 topographic study. The landscape is defined by the winding course of the Devils River as it flows south toward the Amistad National Recreation Area. This arid terrain is marked by significant drainages and water features, including the seasonal flows of Dead Mans Cr, Little Satan Cr, and Evans Cr. High-ground relief is punctuated by landmarks such as Dark Canyon and Gillis Springs. Human impact remains sparse and ranch-focused, centered on private holdings and the infrastructure of Wardlaw Ranch Rd. The presence of Gillis East Lake and Gillis West Lake highlights the importance of water management in this western Texas environment, while the northern reaches of Walk Lake signal the transition into federally managed recreational lands along the river corridor.
12 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1941 · Feely
USGS Topo · 1:62,500
1944 · Dry Devil
USGS Topo · 1:62,500
1944 · Devils Lake
USGS Topo · 1:62,500
1944 · Baker Crossing
USGS Topo · 1:62,500
1958 · Del Rio
USGS Topo · 1:250,000
1964 · Del Rio
USGS Topo · 1:250,000
1972 · California Creek
USGS Topo · 1:24,000
1972 · Box Canyon
USGS Topo · 1:24,000
1972 · Satan Canyon
USGS Topo · 1:24,000
1972 · Gillis Ranch
USGS Topo · 1:24,000