Alaska's mineral resources and production 1923
Bulletin / Department of the Interior, U.S. Geological Survey ;
Mineral resources of Alaska, 1923-A
Early Tertiary placer deposit in the Yetna district.
Administrative report.
Geological Survey bulletin ;
Brooks, Alfred H. (Alfred Hulse), 1871-1924.
Capps, Stephen R. (Stephen Reid), 1881-1949. Early Tertiary placer deposit in the Yetna district.
Brooks, Alfred H. (Alfred Hulse), 1871-1924. Administrative report.
by Alfred H. Brooks.
Alaska's mineral resources and production 1923