| State | Grassland | % Correct |
|---|---|---|
| Colorado | Pawnee | 71%
|
| Kansas | Cimarron | 43%
|
| Wyoming | Thunder Basin | 43%
|
| Oklahoma, Texas | Black Kettle | 29%
|
| California | Butte Valley | 29%
|
| Colorado | Comanche | 29%
|
| North Dakota | Little Missouri | 29%
|
| Texas | Lyndon B. Johnson | 29%
|
| Texas, Oklahoma | Rita Blanca | 29%
|
| North Dakota | Sheyenne | 29%
|
| South Dakota | Buffalo Gap | 14%
|
| Texas | Caddo | 14%
|
| North Dakota | Cedar River | 14%
|
| Oregon | Crooked River | 14%
|
| Idaho | Curlew | 14%
|
| South Dakota | Fort Pierre | 14%
|
| South Dakota | Grand River | 14%
|
| New Mexico | Kiowa | 14%
|
| Texas | McClellan Creek | 14%
|
| Illinois | Midewin | 14%
|
| Nebraska | Oglala | 14%
|