Smith, P.S., and Maddren, A.G., 1915, Quicksilver deposits of the Kuskokwim region, in U.S. Geological Survey, Mineral resources of Alaska, report on progress of investigations in 1914: U.S. Geological Survey Bulletin 622, p. 272-291.
This publication is part of a larger work. Please see B 622 for more information.