[13]Cleophas C. O’Harra, The White River Badlands (Rapid City: South Dakota School of Mines, Bulletin No. 13, Department of Geology, November 1920), pp. 123, 128.
[14]John Francis McDermott, ed., Journal of an Expedition to the Mauvaises Terres and the Upper Missouri in 1850, Smithsonian Institution, Bureau of American Ethnology, Bulletin 147 (Washington: U.S. Government Printing Office, 1952), p. 1.
[15]Macdonald, op. cit., p. 31; American Journal of Science, vol. 3, no. 7, 2d series, January 1847, pp. 248-250; O’Harra, op. cit., pp. 23, 24, 110-117, 161.
[16]McDermott, op. cit., p. 1.
[17]Ibid.
[18]Ibid., p. 2; Macdonald, op. cit., p. 31.
[19]E. de Girardin, “A Trip to the Bad Lands in 1849,” South Dakota Historical Review, I (January 1936), 60.
[20]Ibid., p. 62.
[21]Ibid.
[22]Ibid., pp. 64, 65.