County | State |
| Adams | NE |
| Arthur | NE |
| Blaine | NE |
| Boone | NE |
| Buffalo | NE |
| Chase | NE |
| Cherry | NE |
| Cheyenne | KS |
| Clay | NE |
| Custer | NE |
| Dawson | NE |
| Decatur | KS |
| Deuel | NE |
| Dundy | NE |
| Ellis | KS |
| Fillmore | NE |
| Franklin | NE |
| Frontier | NE |
| Furnas | NE |
| Garfield | NE |
| Goshen | WY |
| Gosper | NE |
| Gove | KS |
| Graham | KS |
| Grant | NE |
| Greeley | NE |
| Hall | NE |
| Hamilton | NE |
| Harlan | NE |
| Hayes | NE |
| Hitchcock | NE |
| Holt | NE |
| Hooker | NE |
| Howard | NE |
| Jewell | KS |
| Kearney | NE |
| Keith | NE |
| Lincoln | NE |
| Logan | KS |
| Logan | NE |
| Loup | NE |
| McPherson | NE |
| Merrick | NE |
| Mitchell | KS |
| Nance | NE |
| Norton | KS |
| Nuckolls | NE |
| Osborne | KS |
| Perkins | NE |
| Phelps | NE |
| Phillips | CO |
| Phillips | KS |
| Polk | NE |
| Rawlins | KS |
| Red Willow | NE |
| Republic | KS |
| Rock | NE |
| Rooks | KS |
| Rush | KS |
| Russell | KS |
| Sedgwick | CO |
| Seward | NE |
| Sheridan | KS |
| Sheridan | NE |
| Sherman | KS |
| Sherman | NE |
| Smith | KS |
| Thayer | NE |
| Thomas | KS |
| Thomas | NE |
| Trego | KS |
| Valley | NE |
| Wallace | KS |
| Webster | NE |
| Wheeler | NE |
| York | NE |
| Yuma | CO |