Unfortunately, many of the color prints have faded due to the instability of the dyes in the Ektachrome film. Ansel and Virginia Adams write Michael and Anne in Yosemite Valley.The children's ...

This story appears in the October 2011 issue of National Geographic magazine. On his first trip to the Sierra Nevada, in June of 1916, Ansel Adams went armed with a camera—a Kodak No. 1 Brownie ...