Hank Adams, right, died Dec. 21 at the age of 77. Adams fought for Native American treaty rights throughout his life.

Hank Adams, right, permanent representative of the Indians Trial of Broken Treaties presents letter from the White House to traditional Sioux Chief Frank Fools Crow, left, at border of Pine Ridge Reservation on May 5, 1973 in Scenic,. S.D.. The letter calls for an agreement by Washington to send five White House officials to the reservation to discuss Indian problems if the occupiers of Wounded Knee lay down their arms by May 11. (AP Photo