SOUTH FORKS PLAZA originated with two structures that were not connected. The southern section, completed in 1964, housed the nation's first shopping-mall-anchor Kmart. The north section, finished in 1965, was anchored by Sears.

 

 

A twin-screen cinema was added to the mall in the early '70s. The Midcontinent Plaza Twin Theatres 1 & 2 made its debut in early 1973.

Advert from https://www.cinematreasures.org 

A vintage photo of SOUTH FORKS PLAZA, with its Kmart store on the far left. This snapshot was taken in 1974.  
Photo from https://commons.und.edu / University of North Dakota Scholarly Commons