Mike Luttrell of Springdale and property owner Tom Lundstrum, left, look over the proposed site Dec.

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Mike Luttrell of Springdale and property owner Tom Lundstrum, left, look over the proposed site Dec. 20 for a new Walmart Supercenter to be on Elm Springs Road near the intersection with North 48th Street. While Walmart and other legacy companies are important to the region’s economy, they cannot continue to expand at the same pace, economic experts say.