Sulphur on Unalaska and Akun islands and near Stepovak Bay, Alaska
Author(s): , and Maddren, A. G.
Publication Year: 1919
Bibliographic Reference:
Maddren, A. G., 1919, Sulphur on Unalaska and Akun islands and near Stepovak Bay, Alaska: U.S. Geological Survey Bulletin 0692-E, p. 283-298, 1 plate, scale unknown.
Citation Updated: 2010-04-23 23:13:15