Eakin, H.M., 1918, Gold placer mining in the Porcupine district, in Brooks, A.H., and others, Mineral resources of Alaska, report on progress of investigations in 1916: U.S. Geological Survey Bulletin 662, p. 93-100, 1 sheet.
This publication is part of a larger work. Please see B 662 for more information.
Metals