Water management in the arid South Texas brush country is central to this landscape, defined by a network of ephemeral drainages and constructed reservoirs known as tanks. The Nueces River snakes through the southeastern corner, joined by the Elm Slue, while the interior is drained by Mule Cr and Caballo Cr. These seasonal watercourses are vital to the ranching operations that have shaped McMullen County for generations. Local ranch infrastructure is evident through the naming of significant water catchments like Llano Grande Tank, Esquina Llano Tank, and Caballo Tank. The presence of roads such as Donell Rd and Martin Rd suggests the continued importance of land access in this sparsely populated region. Topographical details reveal the subtle shifts in elevation that guide runoff toward Dully Lake and the larger river system, reflecting the environmental challenges and adaptations of the Texas coastal plains.
17 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.
1925 · Tilden No. 1
USGS Topo · 1:48,000
1930 · Tilden
USGS Topo · 1:62,500
1937 · Loma Alta
USGS Topo · 1:62,500
1942 · Fowlerton
USGS Topo · 1:62,500
1942 · Tilden
USGS Topo · 1:62,500
1953 · Crystal City
USGS Topo · 1:250,000
1955 · Crystal City
USGS Topo · 1:250,000
1956 · Piedra Creek
USGS Topo · 1:62,500
1956 · Fowlerton
USGS Topo · 1:62,500
1961 · Crystal City
USGS Topo · 1:250,000