Region
Oklahoma
Kansas
6
High Plains Aquifer
4
Texas
4
Caddo County
3
Arkansas
2
Chickasaw National Recreation Area
2
Le Flore County
2
Oklahoma City
2
Osage Reservation
2
United States
2
Arbuckle Mountains
1
Arbuckle Mountains (Okla.)
1
Arbuckle-Simpson Aquifer
1
Arbuckle-Simpson Aquifer (Okla.)
1
Ardmore Quadrangle
1
Canadian County
1
Canadian River Valley
1
Canadian River Watershed (Okla.)
1
Carthage
1
Cherokee County
1
Chickasaw National Recreation Area (Okla.)
1
Cleveland County
1
Clinton Quadrangle
1
Colorado
1
Deep Fork River Watershed (Okla.)
1
Delaware County
1
Eufaula Lake
1
Fort Smith Quadrangle
1
Gaines Creek
1
Glencoe Region
1
Glencoe Region (Okla.)
1
Great Plains
1
Hansford County
1
Iowa
1
Latimer County
1
Lawton Quadrangle
1
Lipscomb County
1
Middle West
1
Missouri
1
New Mexico
1
Norman
1
North Canadian River Watershed (Okla.)
1
Ochiltree County
1
Oklahoma City Quadrangle
1
Oklahoma City Region
1
Oklahoma Panhandle
1
Ottawa County
1
Payne County
1
Red River Valley (Tex.-La.)
1
more ...