Archival objects in this container: Landscape, Colorado River, Arizona: photographic print and negative, 1935 October View from the west, Iceberg Canyon, Colorado River: photographic print and negative, 1935 November Cross section of a lava flow jilting a former channel of the Colorado River in Lower Grand Canyon: photographic print and negative, 1937 November View of lower Grand Canyon at Surprise Creek twenty-eight miles east of Pierce’s Ferry, Arizona: photographic print and negative, 1937 November Emery Falls in lower Grand Canyon, just east of Pierce’s Ferry, Arizona: photographic print and negative, 1937 September Desert vegetation near Pierce’s Ferry, Arizona: photographic print and negative, 1935 October Joshua trees near Pierce’s Ferry, Arizona on the Arizona side: photographic print and negative, 1936 January Arid broken country below Pierce’s Ferry, Arizona: photographic print and negative, 1936 January Wind-sculptured rock, Hoover Dam (Boulder Dam) area: photographic print and negative, 1936 January