by Chicago, Milwaukee, and St. Paul Railway Company

1895

by Chicago (Ill.). Department of Public Works

1899

by Chicago, Burlington & Quincy Railroad Company

1928

by Chicago (Ill.). City Council

1903

by Chicago (Ill.).

1911

by Western Society of Engineers (Chicago, Ill.)

1909

by Chicago Sanitary District. Board of Trustees

1901

by Chicago (Ill.). Board of Education

1893

by Chicago (Ill.). Department of Public Works

1901

by Chicago (Ill.). Department of Law

1925

by Chicago (Ill.). Department of Smoke Inspection

1911

by Chicago. Department of Smoke Inspection

1911