3-D Geologic Mapping in East-Central Illinois
 Overview of the regional geologic framework
| Map Orientation: | |
| Bedrock topography (a regional view)
| 
| |
| "Peel off" subsurface units, one at a time
| ||
| Horizontally "slice" through the surficial deposits
| ||
| Vertically "slice" through the depositsfrom south to northfrom east to west |
| Comments and questions may be directed to Dave Soller (USGS), at [email protected], or to Dick Berg (ISGS), at [email protected]. |
| Return to | 
|