Overview Enlarged and cut 35mm contact sheet of two images of rockface formations along the Colorado River, film strip numbers 31 and 27. 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."

Overview Closeup view of 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."

Overview Closeup of a section of a rockface formation. 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."

Overview 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."

Overview Closeup of a section of the rockface. 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."

Overview Closeup section of the rockface. 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."

Overview Closeup of a section of the rockface. 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."

Overview 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."

Overview 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."

Overview 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."