View of sections of the rockface along the Colorado River. Todd Webb printed most of O'Keeffe's contact sheets and photographic prints. This photograph is from the Glen Canyon album that Todd Webb gave to Georgia O'Keeffe "In memory of the great August 1961 trip down the Colorado River."

Closeup view of rockface formations with vertical dark staining. Todd Webb printed most of O'Keeffe's contact sheets and photographic prints. This photograph is from the Glen Canyon album that Todd Webb gave to Georgia O'Keeffe "In memory of the great August 1961 trip down the Colorado River."

Closeup of a section of the rockface formations. Todd Webb printed most of O'Keeffe's contact sheets and photographic prints. This photograph is from the Glen Canyon album that Todd Webb gave to Georgia O'Keeffe "In memory of the great August 1961 trip down the Colorado River."