In the Grand Canyon, Arizona, May 1903, , Smithsonian Institution Archives, Pictured (left to right) are N.W. Corkhoff, Sidney S. Walcott, Helena B. Walcott, Charles D. Walcott, Jr., and Goulding. They are seated around a cloth spread on the ground for a meal in the Grand Canyon. In the Grand Canyon, Arizona. May 1903..