Source: Rockford Register Star, September 6, 2019
Blackhawk Springs Forest Preserve
Oak Ridge Forest Preserve
Source: Rockford Register Star, July 12, 2019
Blackhawk Springs Forest Preserve
Source: Rockford Register Star, March 15, 2019
A Digital Collection of Rockford, Illinois History
Source: Rockford Register Star, September 6, 2019
Source: Rockford Register Star, July 12, 2019
Source: Rockford Register Star, March 15, 2019