St. Louis' Stix, Baer & Fuller added a third anchor store to CRESTWOOD PLAZA in the mid-1960s. The Stix store was built as part of a new East Wing, which covered a lower level parking deck.
Drawing from http://www.thedepartmentstoremuseum.org
In 1969, CRESTWOOD PLAZA is an enclosed mall...well, partially, anyway. The aforementioned East Wing (in dark gray) houses a climate-controlled shopping concourse. On the west end of the facility, the Vandervoort's store has just been bought -and rebranded- by Famous-Barr.