Download 1:250,000 USGS DRG Files

Original DRG Data
UTM Zones 15 and 16 with collar
Illinois Index Map of 1:250,000 Quadrangles Files
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