Illinois Natural Resources Geospatial Data Clearinghouse

hosted by the Illinois State Geological Survey (ISGS)

Download 1:100,000 USGS DRG Files

UTM Zones 15 and 16
Original DRG Data
UTM Zones 15 and 16 with collar		 Illinois Index Map of 1:100,000 Quadrangles Files
  Dubuque North Monroe Lake Geneva Racine
  Dubuque South Rockford Elgin Waukegan
  Davenport Dixon Aurora Chicago
Muscatine Aledo Kewanee Ottawa Kankakee
Burlington Galesburg Peoria Fairbury Watseka
Keokuk Macomb Lincoln Champaign Danville
Quincy Meredosia Springfield Decatur Paris
Mexico Jerseyville Litchfield Effingham Terre Haute
  St. Louis Carlyle Lake Olney Vincennes
  Festus Pinckneyville Mt. Vernon Princeton
  Farmington Carbondale West Frankfort  
    Cape Girardeau Paducah  
    Sikeston    

UTM Zone 16 NAD83, without collar
  Dubuque North Monroe Lake Geneva Racine
  Dubuque South Rockford Elgin Waukegan
  Davenport Dixon Aurora Chicago
Muscatine Aledo Kewanee Ottawa Kankakee
Burlington Galesburg Peoria Fairbury Watseka
Keokuk Macomb Lincoln Champaign Danville
Quincy Meredosia Springfield Decatur Paris
Mexico Jerseyville Litchfield Effingham Terre Haute
  St. Louis Carlyle Lake Olney Vincennes
  Festus Pinckneyville Mt. Vernon Princeton
  Farmington Carbondale West Frankfort  
    Cape Girardeau Paducah  
    Sikeston