Riverside Elementary School. Riverside Elementary School. (Image: Zenith City Press) 8901 Grand Avenue Place | Kelly & Schefick, Architects | Built: 1921 | Closed: 1982 Current Use: Superior National Forest Headquarters From Duluth’s Grand Old Architecture by Tony Dierckins & Maryanne C. Norton (Zenith City Press 2022) featuring over 300 buildings and homes and illustrated by 420 historic photographs and sketches. Click on the cover to preview the book.