The History of Badlands National Monument and the White River (Big) Badlands of South Dakota

by Ray H. Mattison; Robert A. Grom

[23]David Dale Owen, Report of a Geological Survey of Wisconsin, Iowa, and Minnesota; and Incidentally of a Portion of Nebraska Territory (Philadelphia: Lippincott, Grambo, and Co., 1852), pp. 196, 197.

[24]Ibid., pp. 197, 198.

[25]Ibid., pp. 198-206, 539-572.

[26]McDermott, op. cit., pp. 2, 3, 54, 55, 59.

[27]Ibid., pp. 60, 61.

[28]Ibid., p. 65.

[29]Ibid., p. 64.

[30]Ibid., pp. 3, 4.

[31]Ibid., p. 2.

[32]Lt. G.K. Warren, “Explorations in the Dacota Country in the Year 1855,” Senate Ex. Doc. No. 76, 34th Congress, 1st Session (Washington: U.S. Government Printing Office, 1956), p. 76.