GeologicLines (0)
| Glacial limit |
| Glacial limit approximate |
IsoValueLines (1)
| Loess thickness contour |
ContactsAndFaults (2)
| Contact |
| Map boundary |
OverlayPolys (3)
| Moraine |
MapUnitPolys (4)
| Banner Formation |
| Banner- outwash |
| Batestown |
| Bedrock |
| Cahokia Alluvium |
| Cahokia Alluvium - fan |
| Delavan |
| Equality - Carmi |
| Equality - Dolton |
| Esmond |
| Fairgrange |
| Grayslake Peat |
| Haeger |
| Hagarstown |
| Henry - Batavia |
| Henry - Mackinaw |
| Henry - Wasco |
| Hulick |
| Kellerville |
| Lake Michigan - Ravinia Sand |
| Lee Center |
| Malden |
| Mounds Gravel |
| Ogle |
| Parkland Sand |
| Pearl Formation |
| Peoria and Roxana |
| Peyton Colluvium |
| Peyton Peoria and Roxana |
| Piatt |
| Radnor |
| Snider |
| Sterling |
| Surface Mines |
| Teneriffe Silt |
| Tiskilwa |
| Tiskilwa- Ablation drift |
| Trafalgar |
| Vandalia |
| Wadsworth |
| Water Bodies |
| Winnebago- Argyle |
| Winnebago- Capron |
| Winslow |
| Yorkville |
|