This is a particularly sad photo. The doors represent what used to be the large entrance to Woolworths. The adjacent wall used to be the hallway that included County Seat, Minnesota Fabrics, plus an alternate entrance to JC Penney. This portion of the mall was demolished in the latter half of the 1990's to make room for the new Cub Foods store.
Here's how Woolworths looked in December, 2003. The space was used for selling Christmas trees:
A Woolworth's ad from Apache's 25th Anniversary (courtesy Apache Plaza):
March 1986 (courtesy Apache Plaza):