Source: Rockford Register Star, September 13, 2019
General
Espenscheid Memorial Forest Preserve
Source: Rockford Register Star, September 6, 2019
Rockford Electric Company, new building, 116-118 S. Wyman St., 1913
Source: Rockford Republic, Aug. 11, 1913
818 S. Main Street building, 110 years old, destroyed by fire
Source: Rockford Register Star, Sept. 4, 2019
Next Up-composite photograph
Source: Rockford Register Star, June 30, 2019
Wartowski Island, formerly Denton Island
Source: Rockford Register Star, June 14, 2002
Cedar Cliff Forest Preserve
Source: Rockford Register Star, August 30, 2019
Wartowski Island, formerly Denton Island
The island surrounded in green is Wartowski Island, formerly known as Denton Island. At the bottom of the screen is the 15th Avenue Bridge. Source: wingis.org, 2018
Perspective map of the city of Rockford, Ill. 1891
Source:  1891 Perspective Map of Rockford-Local History and Genealogy Room      Current Rockford Aerial Image-Google Maps
Illinois National Guard Armory Post Card
Illinois National Guard Armory, 604 North Main St, Rockford IL
Architects: Bradley and Bradley, Art Deco Style
Source: Private collection postcard