THE PRESERVATION AND MANAGEMENT OF VEGETATION 

 IN RAVINES IN HIGHLAND PARK. ILLINOIS 



A Report Prepared by 

 Kenneth R. Robertson 

 and 

 E. B. Himelick 

 of the 

 Illinois Natural History Survey 

 Urbana, Illinois 



With the Assistance of the 



Public Works and Community Development 



Departments 



City of Highland Park, Illinois 



July 1977 



