In the 1930s, the Civilian Conservation Corps created a Phantom Ranch swimming pool, fed by water from Bright Angel Creek. By 1970 maintenance and health concerns had spelled its doom. Photograph by Merrill D. Beal, ca. 1961. Courtesy National Park Service (04743).

In the 1930s, the Civilian Conservation Corps created a Phantom Ranch swimming pool, fed by water from Bright Angel Creek. By 1970 maintenance and health concerns had spelled its doom. Photograph by Merrill D. Beal, ca. 1961. Courtesy National Park Service (04743).