Knippa serves as the primary population center in this South Texas landscape, where the flat coastal plains begin to meet the distinctive volcanic uplifts of the Balcones Escarpment. The terrain is defined by prominent igneous formations such as Black Mountain, Blue Mountain, and Big Mountain, which rise sharply above the surrounding ranching and agricultural land. A complex network of ephemeral and perennial waterways crisscrosses the area, including the Dry Frio River, the Frio River, and the Leona River, illustrating the critical role of water drainage and limestone geology in Uvalde County. Smaller features like Traprock Hill indicate the local geological diversity, while drainage patterns through Long Hollow and Elm Draw highlight the subtle shifts in elevation across the quadrangle.
22 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.
1898 · Uvalde
USGS Topo · 1:125,000
1899 · Uvalde
USGS Topo · 1:125,000
1954 · San Antonio
USGS Topo · 1:250,000
1957 · San Antonio
USGS Topo · 1:250,000
1960 · Concan
USGS Topo · 1:24,000
1969 · Trio
USGS Topo · 1:24,000
1971 · Sevenmile Hill
USGS Topo · 1:24,000
1971 · Garner Field NE
USGS Topo · 1:24,000
1971 · Garner Field
USGS Topo · 1:24,000
1971 · Uvalde
USGS Topo · 1:24,000