County | State |
| Adams | NE |
| Buffalo | NE |
| Clay | NE |
| Cloud | KS |
| Custer | NE |
| Dawson | NE |
| Franklin | NE |
| Gosper | NE |
| Greeley | NE |
| Hall | NE |
| Hamilton | NE |
| Harlan | NE |
| Howard | NE |
| Kearney | NE |
| Merrick | NE |
| Norton | KS |
| Nuckolls | NE |
| Phelps | NE |
| Phillips | KS |
| Republic | KS |
| Sherman | NE |
| Smith | KS |
| Valley | NE |
| Webster | NE |