Mon Apr 21, 11:07 AM ET

The Verkamp's Curios gift shop in Grand Canyon National Park in Arizona is shown in this 1910 photo released by the Grand Canyon Museum Collection. These days, the Grand Canyon has luxury lodges and cute coffee shops. The only thing it won't have come September is the Verkamps. The family's final chapter at the canyon began in 1998, when Congress passed a law that reversed giving preference to established businesses when issuing contracts. (AP Photo/Grand Canyon Museum Collection)

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