Koschmann, A.H., and Bergendahl, M.H., 1968, Alaska [Principal gold-producing districts of the United States], in Koschmann, A.H., and Bergendahl, M.H., Principal gold-producing districts of the United States: U.S. Geological Survey Professional Paper 610, p. 8-31.
This publication is part of a larger work. Please see P 610 for more information.