Region
Texas
219
United States
92
Austin
36
Gulf Coast (U.S.)
17
Mexico
17
Edwards Aquifer
15
Edwards Aquifer (Tex.)
15
Austin (Tex.)
14
Gulf Coast
14
Mississippi River Valley
10
Southern States
7
Trinity River Watershed
6
Brazil
4
Fort Worth Region
4
Peru
4
San Antonio Region
4
Brazos River Watershed
3
Colorado River Watershed
3
Dallas
3
El Paso Region
3
Fort Worth
3
Louisiana
3
Mexican-American Border Region
3
New Mexico
3
Trinity Aquifer (Tex.)
3
America
2
Colorado River Watershed (Colo.-Mexico)
2
Dallas Region
2
Edwards Plateau Region
2
Galveston County
2
Germany
2
Great Britain
2
Gulf States
2
Harrison County (Tex.)
2
Houston, Lake
2
Hueco Bolson
2
Lake Houston
2
Lower Rio Grande Valley
2
Medina County
2
Mississippi Embayment
2
New England
2
North America
2
Nueces River Watershed
2
San Antonio
2
Sunbelt States
2
Tarrant County
2
Texas, West
2
Trinity Aquifer
2
Uvalde County
2
West (U.S.)
2
more ...