The Monadnock Building, 1891 by Burnham & Root with 1893 addition by Holabird & Roche, 53 W. Jackson Boulevard. Photo Credit: Eric Allix Rogers

The Monadnock Building, 1891 by Burnham & Root with 1893 addition by Holabird & Roche, 53 W. Jackson Boulevard. Photo Credit: Eric Allix Rogers

The Old Chicago Main Post Office, 1932, Graham, Anderson, Probst & White, 433 W. Van Buren Street. Photo Credit: Eric Allix Rogers
Schulze Baking Company Plant, 1913, John Ahlschlager & Son,  40 E. Garfield Boulevard. Photo Credit: Eric Allix Rogers