Note 7 — EARLY INDIANS AND EXPLORERS
Reading edition
Lt. G.K. Warren, Preliminary Report of Explorations in Nebraska and Dakota in the Years 1855-’56-’57 (Washington: U.S. Government Printing Office, 1875), p. 26; J.R. Macdonald, “The History and Exploration of the Big Badlands of South Dakota,” Guide Book Fifth Field Conference of the Society of Vertebrate Paleontology in Western South Dakota, ed. James D. Bump (Sponsored by the Museum of Geology of the South Dakota School of Mines and Technology, Rapid City, August 29-September 1, 1951), p. 31.