| A | B |
| Caprock | separates Great Plains from the North Central Plains |
| Panhandle | High Plains occupies most of this |
| Ogallala Aquifer | Source for water on Great Plains |
| Hill Country | Rugged hills on eastern side of Edwards Plateau |
| Angora goats | Found within 100 miles of center of Edwards Plateau |
| mohair | long hair of Angora goats |
| Del Rio | largest city in Edwards Plateau |
| Kerrville | tourist and retirement community in Edwards Plateau |
| Fredericksburg | famous for its peaches |
| LBJ Ranch | tourist attraction in Edwards Plateau |
| Llano Basin | amallest geographic section |
| erosion | wearing away of earth's surface by water, wind or ice |
| Lake Buchanan | largest lake in Highland Lakes Country |
| Lubbock | major city of the South Plains |
| Canadian Breaks | rugged area along the Canadian River |
| Palo Duro Canyon | rugged area carved by the Red River |
| cotton | most important crop of South Plains |
| Texas Tech | university located at Lubbock |
| Permian Basin | important oil producing area |
| Amarillo | largest city of North Plains |