Plains Like Rolling Plains (Texas)

South Texas Plains

Plain

7.10 Good

High Plains

Plain

8.15 Great

Coastal Prairie (Texas)

Plain

7.40 Good

Rio Grande Plain

Plain

6.95 Fair

High Plains (USA)

Plain

6.83 Fair

Edwards Plateau Savanna

Savanna

5.81 Mediocre

Flint Hills

Plain

8.70 Great

Salinas Valley

Plain

8.05 Great

Mississippi Alluvial Plain

Plain

7.57 Good

Imperial Valley

Plain

7.55 Good

Lake Erie Plain

Plain

7.00 Good

Corpus Christi Bay

Bay

6.95 Fair

Matagorda Bay

Bay

6.80 Fair

Galveston Bay

Bay

6.75 Fair

Drift Plains (North Dakota)

Plain

6.75 Fair

Llano Estacado

Plain

6.70 Fair

Palouse

Plain

6.61 Fair

Gulf Coastal Plain

Plain

6.58 Fair

Columbia Plateau Steppe

Steppe

6.44 Fair

Atlantic Coastal Plain

Plain

6.42 Fair

Columbia Basin

Plain

6.37 Fair

Snake River Plain

Plain

6.21 Fair

Piedmont (Eastern USA)

Plain

5.98 Mediocre

Colorado Plateau

Desert

9.55 Brilliant