THE CITADEL was Colorado's first major mall outside of Greater Denver. It was officially dedicated in March 1972, with store openings continuing into the following year. Originally consisting of 500,000 leasable square feet, the complex was the archetype "dumbell plan" mall in its early years.

A circa-'72 view of the original theatrical venue at THE CITADEL. The General Cinema Corporation Citadel Cinema I & II was located at (what was) the West Entrance into the mall.
Photo from /  "DennisMahaney1"