6.17 Looking Glass, the Nez Percé war chief whose tactics helped sustain the retreat by Chief Joseph's band from Oregon to within a few miles of the Canadian border in 1877. Photographed in 1871 by William Henry Jackson, when the Nez Percé and the United States were still living in peace.

(Courtessy Smithsonian Institution, National Anthropological Archives [2953-A]. Images from the National Anthropological Archives may not be reproduced without permission.)