|
|||
Vermilion County Low elevation: <490 feet above mean sea level Place: Vermilion River 7.5' quadrangle name: Danville SE PLSS: 2-19-18N-10W Geology: Cahokia Alluvium in river valley High elevation: >790 feet above mean sea level Place: Unnamed hilltop 7.5' quadrangle name: Collison PLSS: 2-6-20N-13W Geology: Gifford Moraine Area: 891.67 square miles Total relief (approximate): 300 feet Average percent slope: 0.89%
|
|||
|
Home
| Search
| Site Map
| Contact Us State of Illinois | Illinois Department of Natural Resources | University of Illinois |
|||
| Updated 5/7/2007 JKH | |||