Brooks, A.H., 1900, A reconnaissance from Pyramid Harbor to Eagle City, Alaska, including a description of the copper deposits of the upper White and Tanana Rivers, in Walcott, C.D., Twenty-first annual report of the director of the United States Geological Survey, 1899-1900: Part II - General geology, economic geology, Alaska: U.S. Geological Survey Annual Report 21-II, p. 331-392.
This publication is part of a larger work. Please see AR 21-II for more information.
Geology