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Timothy, left, and Kevin Spilker, of Spilker Precast of Spokane, stand by one of the large concrete blocks being produced for the 1,100-foot-long retaining wall at the new K-12 school complex in Coulee Dam. The company makes 64 of the huge blocks a day, part of the 4,000 required for the huge wall. The blocks have a stone-like facing and will be colored to correspond to the rocky walls around the area. -- Roger S. Lucas photo