Spatial Coverage
- North Canadian River (Okla.)1
- North Dakota1
- North Dakota.1
- Nowata County (Okla.)1
- Oklahoma (États-Unis)1
- Oklahoma (États-Unis).1
- Oklahoma City1
- Oklahoma City (Okla.)1
- Oklahoma County (Okla.)1
- Oklahoma Panhandle1
- Okmulgee County1
- Ottawa County (Okla.)1
- Pawhuska (Okla.)1
- Polk County1
- Pontotoc County1
- Pottawatomie County (Okla.)1
- Pushmahata County (Okla.)1
- Red River Valley (Tex.-La.)1
- Red River Valley (Texas and Louisiana)1
- Sallisaw (Okla.)1
