Moffit, F.H., and Maddren, A.G., 1908, The mineral resources of the Kotsina and Chitina valleys, Copper River region, Alaska, in U.S. Geological Survey, Mineral resources of Alaska, report on progress of investigations in 1907: U.S. Geological Survey Bulletin 345, p. 127-175.
This publication is part of a larger work. Please see B 345 for more information.