| Original DRG Data UTM Zones 15 and 16 with collar |
 |
||
|---|---|---|---|
| Dubuque | Rockford | Racine | |
| Davenport | Aurora | Chicago | |
| Burlington | Peoria | Danville | |
| Quincy | Decatur | Indianapolis | |
| St. Louis | Belleville | Vincennes | |
| Rolla | Paducah | ||
| Dyersburg | |||
| UTM Zone 16 NAD83, without collar | |||
| Dubuque | Rockford | Racine | |
| Davenport | Aurora | Chicago | |
| Burlington | Peoria | Danville | |
| Quincy | Decatur | Indianapolis | |
| St. Louis | Belleville | Vincennes | |
| Rolla | Paducah | ||
| Dyersburg | |||
