Chapin, Theodore, 1918, Mining developments in the Ketchikan and Wrangell mining districts, in Brooks, A.H., and others, Mineral resources of Alaska, report on progress of investigations in 1916: U.S. Geological Survey Bulletin 662, p. 63-75, scale 1:500,000.
This publication is part of a larger work. Please see B 662 for more information.
Geology; Metals; Non-Metals