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Plaster model of Rib Cage Dam site designed by Paolo Soleri in 1962
Model of Veladiga Dam Arcology design by Paolo Soleri
Plaster model of 1962 Rib Cage Dam site design by Paolo Soleri
Plaster model of 1962 Rib Cage Dam site design by Paolo Soleri
Elevation plan of Babeldiga Dam Site Arcology design by Paolo Soleri, from 1970 exhibition at Corcoran Gallery of Art, Washington, DC
Mounted black and white photograph with a typescript annotation, "July 17 1914. Making the trip down Bright Angel trail at the Grand Canyon of Arizona on mules. Left to right: George H. N. Luhrs, Jr., unknown, George H. N. Luhrs, Emma Luhrs, Ella Luhrs. Bright Angel Trail to the Colorado River, at bottom on canyon."
Black and white print of the Grand Canyon with a typescript annotation, "July 17, 1914. Grand Canyon Arizona. On the left side you can see some of the mules taking people down the Bright Angel Trail to the bottom of the Canyon."
Black and white print with members of the Luhrs family. Typescript annotation, "July 17th, 1914. Going down Bright Angel Canyon of Arizona, Those on the mules, from bottom up: unknown, unknown, Ella Luhrs, Emma Luhrs, George H. N. Luhrs, unknown, Roger Hunt, George Luhrs Jr., Catherine Margarita 'Gretchen' (Mrs Geo H. N.) Luhrs standing beside George Luhrs Jr." Beside the trail, a sign displays, "Photo by Kolb Brothers."