The Humpty Dumpty grocery was at the rear of an original West Plaza structure. This full frontal view shows four other West Plaza stores, all of which opened for business in July 1943. From left-to-right, they are TG & Y, Beauty & Barber Shop, Bill's Fine Pastries and Conrad-Marr Drug. 
Photo from http://www.flickr.com / White Chipmunk's Photostream / Atkinson Heritage Center

Skytrain Theatre, the ATKINSON PLAZA movie house, premiered in November 1944. It was at the rear of the East Plaza structure.
Photo from http://www.flickr.com / White Chipmunk's Photostream / Atkinson Heritage Center

Midwest Motors, an auto dealer, began business in July 1945. This Late Moderne-style building was situated at the west end of ATKINSON PLAZA. At the time this photo was taken, it was a freestanding structure.
Photo from http://www.flickr.com / White Chipmunk's Photostream / Atkinson Heritage Center