Region
Abilene
1
Alamo (San Antonio, Tex.)
1
Altus, Lake, Watershed (Okla. and Tex.)
1
Amarillo
1
Amarillo (Tex.)
1
Amistad National Recreation Area
1
Amistad National Recreation Area (Tex.)
1
Angelina National Forest (Tex.)
1
Arizona
1
Arkansas
1
Arkansas River
1
Atascosa County
1
Austin
3
Balmorhea Region
1
Bastrop County
1
Bay City
1
Beaumont
1
Beaumont (Tex.)
1
Beeville
1
Bexar County
5
Big Bend National Park
1
Big Bend National Park (Tex.)
1
Big Spring Region
1
Big Thicket National Preserve
1
Big Thicket National Preserve (Tex.)
11
Black Gap area
1
Blanco County
6
Bofecillos Mountains
1
Brazos River
1
Brazos River Valley
1
Brazos River Watershed
5
Brewster County
1
Brownfield
1
Brownsville
1
Brownwood
1
Brownwood (Tex.)
1
Burnet County
2
Burnet Region
1
Camp Bullis (Tex.)
1
Carlsbad Region
1
Chamizal National Memorial (El Paso, Tex.)
1
Clovis
1
Coastal Bend area
1
Corpus Christi
1
Corpus Christi Bay
1
Crystal City
1
Culberson County
4
Dallas
3
Davis Mountains
1
Del Rio
1
more ...