In 1973 he documented the AIM (American Indian Movement) liberation of Wounded Knee on the Pine Ridge Reservation in South Dakota. His account of that experience, “A Witness at Wounded Knee 1973” was published in The Princeton University Library Chronicle in 2006. In 1974 he was afforded the opportunity to photograph the first Ghost Dance in more the 85 years on the Rosebud Reservation. In 1975 he was invited by the Menominee Warrior Society to document their occupation of the abandoned Alexian Brothers Novitiate on their Wisconsin reservation.