Sprague, Donovin Arleigh: - From the first visitors that arrived in the area to the reservation's monumental struggles of the 20th century, author Donovin Arleigh Sprague examines the chronology of Pine Ridge through nearly 200 vintage images of the leaders, events, and moments that have shaped the reservation's history. Donovin Arleigh Sprague is an accomplished author and historian. He is the director of education at the Crazy Horse Memorial, an instructor at Black Hills State University, Oglala Lakota College, and the Indian University of North America at Crazy Horse Memorial.