Mercer52:
Left to right: McCormick Building (Holabird & Roche, 1910s); Karpen Building (1885); Metropolitan Tower (1924, Graham, Anderson, Probst, & White), all in the 300 block of S. Michigan, Chicago.
Mercer52:
Roswell B. Mason School, 18th and Keeler, Chicago, 1922, John C. Christiansen, architect