Howard D. Colman Dells Nature Preserve
6 miles southwest of Rockford, along Hall Creek
Dolomite cliff and dry-mesic upland forest of the Freeport Section of the Rock River Hill County Natural Division. One threatened species occurs in the preserve.
Owner: Natural Land Institute, 320 South Third St., Rockford 61104 (815/964-6666). Prior permission is required for access. For information call the Illinois Nature Preserves Commission (217/785-8686).
Dedicated: September 1998
Size: 54.69 acres nature preserve
Topo Map: Kishwaukee 7.5
1/2009 - R. Heidorn