Region
Texas
United States
21
New Mexico
16
Mexico
15
Houston
10
Gulf Region
8
San Antonio (Tex.)
6
Brewster County
5
Louisiana
5
Oklahoma
5
Palo Duro Basin
5
Presidio County
5
San Antonio
5
Texas Panhandle
5
Alamo (San Antonio, Tex.)
4
Austin
4
Big Bend National Park
4
El Paso
4
El Paso (Tex.)
4
Fort Worth
4
Southwest, New
4
Southwest, Old
4
West (U.S.)
4
Brazos River Valley
3
Culberson County
3
Frio Clay (Tex. and La.)
3
Glass Mountains
3
Hudspeth County
3
Mexican-American Border Region
3
Waco Metropolitan Area
3
Arkansas
2
Big Bend National Park (Tex.)
2
Burnet County
2
Chihuahua (State)
2
Chinati Mountains
2
Dockum Group
2
Fort Worth (Tex.)
2
Houston (Tex.)
2
Laredo
2
Llano County
2
Llano Estacado
2
Padre Island
2
Palo Duro State Park
2
Palo Duro State Park (Tex.)
2
Palo Pinto County
2
Pecos County
2
Red River Valley (Tex.-La.)
2
Rio Grande Valley (Colo.-Mexico and Tex.)
2
Trans-Pecos (Tex. and N.M.)
2
Wise County
2
more ...