Brooks, A.H., 1902, The coal resources of Alaska, in Walcott, C.D., Twenty-second Annual report of the United States Geological Survey to the Secretary of the Interior, 1900-1901: Part III: U.S. Geological Survey Annual Report 22-III, 58 p., 2 sheets.
This publication is part of a larger work. Please see AR 22-III for more information.
Coal; Coal Quality