The Gem State center, following its 1980-'81 conversion into a partially-enclosed structure. The 1965 strip plaza is shown in black, with newly-added mall space indicated in gray. The facility now spanned around 250,000 leasable square feet and contained twenty-eight tenant spaces under its roof.

LEWISTON CENTER MALL TENANTS 1981:

IN THE ORIGINAL STRIP CENTER

BUTTREY FOODS SUPER STORE / J.C. PENNEY (with Coffee Shop) / MONTGOMERY WARD (with Snack Bar) / THE BON MARCHE / Dial Finance / Idaho National Bank / Jack O' Diamonds Jewelers / Nelson's Fabric Tree / One Hour Martinizing / Pay Less Drug / Team Electronics

 IN THE NEW ENCLOSED MALL

Andrews Hallmark / Cole's Gifts / Cole's Jewelry / Floyd's Naturalizer Shoes / Games People Play / Hickory Farms of Ohio / Idaho Photo / Kactus Kenny's / Karmelkorn / Kinney Shoes / Maurices / Orange Julius / Shenanigans Book & Game Company /  Small World / The Spectacle / Third Dimension