The industry-accepted standard for map data
Colorado Historical Aerial Photography
| Bert | 1968 - 100-95% | Kit Carson | 1968 - 60-30% | Pueblo | 1968 - 100-95% |
| Cheyenne | 1968 - 100-95% | Las Amimas | 1968 1972 - 30-5% | Saga | 1968 - 100-95% |
| Crowley | 1968 - 100-95% | Lincoln | 1968 - 60-30% | Yuma | 1968 - 60-30% |
| El Paso | 1968 - 60-30% | Otero | 1968 - 100-95% | ||
| Kiowa | 1968 - 100-95% | Prowers | 1968 - 100-95% |