Wilson, F. H., and Shew, Nora, 1982, Preliminary results of potassium-argon age determinations from the Ugashik Quadrangle, Alaska Peninsula: in Coonrad, W. L., (ed.), The United States Geological Survey in Alaska: accomplishments in 1980 U.S. Geological Survey Circular C 0844, p. 86-87.
Citation Updated: 2008-02-25 19:55:28