Prindle, L.M., and Mertie, J.B., 1912, Gold placers between Woodchopper and Fourth of July creeks, upper Yukon River, in U.S. Geological Survey, Mineral resources of Alaska, report on progress of investigations of 1911: U.S. Geological Survey Bulletin 520, p. 201-210.
This publication is part of a larger work. Please see B 520 for more information.