1920s
Webster, Arthur L.
July 1921
O. C. Simonds & Co.
July 1921
O. C. Simonds & Co.
March 1922
O. C. Simonds & Co.
August 1921
O. C. Simonds & Co.
August 1921
O. C. Simonds & Co.
August 1921
O. C. Simonds & Co.
July 1921
O. C. Simonds & Co.
July 1921 – October 1922
O. C. Simonds & Co.
January 15 1954
Steinbrecher, Harold F.
January 30 1954
Steinbrecher, Harold F.
November 4 1956
Howard T. Fisher & John D. Randall Associates, Inc.
March 11 1970
Steinbrecher Jr., Harold F.
April 10 1970
Steinbrecher Jr., Harold F.
circa 1970
Chicago Aerial Survey Co.
August 27 1957
Steinbrecher, Harold F.
March 25 1970
Steinbrecher, Harold F.
April 23 1985
Forest Preserve District of DuPage County
September 1987
Kelsey, Pat, Hootman, Rick