24.75" x 29" framed, signed in lower right corner. Platinum photograph from portfolio plate number 571, The North American Indian (1907-1930) v.16, The Tiwa. The Keres. "Members of Coronado's army of explorers in 1540 and espejo in 1583 noted the "cisterns to collect snow and water" on the rock of Acoma." - Edward S. Curtis.