YUKON-CHARLEY RIVERS Yukon Frontiers Historic Resource Study of the Proposed Yukon-Charley National River

¹Frederick Jackson Turner, "The Significance of the Frontier." The Frontier in American History (New York: Holt, Rinehart, and Winston, 1963), p. 12.

²Ray Allen Billington, Westward Expansion: A History of the American Frontier (New York: Macmillan Publishing Co, 1974), p. 2.

³Alaska Planning Group, United States Department of the Interior, Final Environmental Statement for Proposed Yukon-Charley National Rivers Alaska (Washington: U.S. Department of the Interior, 1975); Alfred Hulse Brooks, Blazing Alaska's Trails (Fairbanks: University of Alaska Press, 1973); Clyde Wahrhaftig, Physiographic Divisions of Alaska, United States Geological Survey Professional Paper 482 (Washington, 1965); Howel Williams, ed., Landscapes of Alaska: Their Geologic Evolution (Berkeley: University of California Press, 1958); and Leo Mark Anthony and A. Tom Tunley, Introductory Geography and Geology of Alaska (Anchorage, Alaska: Polar Publishing, 1976).

⁴Brooks, Blazing Alaska's Trails, p. 56.

⁵Peter M. Bowers and David M. Hoch, "An Archeological Reconnaissance of the Copper Creek Drainage, Upper Charley River Area, East-Central Alaska", typescript (Fairbanks, Alaska: National Park Service, 1976).

⁶R. D. Guthrie, "Paleoecology of the Large Mammal Community in Interior Alaska During the Late Pleistocene", American Midland Naturalist 79(1968): 346-463; and David Hopkins, ed., The Bering Land Bridge (Palo Alto: Stanford University Press, 1968.