|
|||
McHenry County Low elevation: <730 feet above mean sea level Place: Fox River 7.5' quadrangle name: Crystal Lake PLSS: 3-34-43N-8E Geology: Cahokia Alluvium in river valley High elevation: ~1189 feet above mean sea level Place: Unnamed hilltop 7.5' quadrangle name: Harvard PLSS: 3-17-46N-6E Geology: Woodstock / Marengo Moraine Area: 606.12 square miles Total relief (approximate): 459 feet Average percent slope: 1.24%
|
|||
|
Home
| Search
| Site Map
| Contact Us State of Illinois | Illinois Department of Natural Resources | University of Illinois |
|||
| Updated 5/7/2007 JKH | |||