John Duerr Forest Preserve 35w003 Il Route 31 South Elgin, IL 60177 Phone : (847) 741-7883 Business Category Government Offices-County Legislative Bodies Kane County Government--forest Preserve District, Blackhawk Forest Preserve 35-w03 Route 31 Elgin, IL 60120 Phone : (847) 741-7883 Business Category Government Offices-County Government Contract & Relations Consultants General Government Government Offices & Public Schools