© Ralph Wall, Cheyenne Arapahoe Powwow, 1973, pastel, 38″ x 30″, The Frank Harding Collection

© Ralph Wall, Cheyenne Arapahoe Powwow, 1973, pastel, 38" x 30", The Frank Harding Collection

© Ralph Wall, Cheyenne Arapahoe Powwow, 1973, pastel, 38″ x 30″, The Frank Harding Collection