Abstract The Merl LaVoy photograph colleciton consists of 125 images, mostly from a 1930 expedition to the remote Prayer Rock District on the Navajo Reservation in Northeast Arizona. The Prayer Rock expedition was an archaeological foray sponsored by Charles Bernheimer into some lesser known canyons around the Lukachukai Mountains. The photos show expedition members in ruins, the pack train, a few artifacts including a huge basket, and many ruin structures. Another portion of the photos focuses on...