Region
Texas
17
Gulf Coast
3
United States
3
Brazoria County
2
Corpus Christi
2
Angelina County
1
Angelina National Forest
1
Big Bend National Park
1
Big Bend National Park (Tex.)
1
Black Kettle National Grassland (Okla. and Tex.)
1
Calhoun County
1
Galveston Bay
1
Howard County
1
Jackson County
1
Jasper County
1
Kiowa National Grassland
1
Lavaca Bay (Tex.)
1
Louisiana
1
Matagorda County
1
McClellan Creek National Grassland
1
Mexico, Gulf of
1
New Mexico
1
North America
1
Oklahoma
1
Port Lavaca (Tex.)
1
Rita Blanca National Grassland (Okla. and Tex.)
1
Trinity River Watershed
1
Trinity River Watershed (Tex.)
1
Waco
1
Waco Mammoth Site (Tex.)
1