Government Printing Office,
Shungnak Region, Kobuk Valley and the Squirrel River placers, Alaska
Squirrel River placers
Mineral resources of Alaska ;
Bulletin / Geological survey, United States Dept. of the Interior ;
Geological Survey bulletin ;
Smith, Philip S. (Philip Sidney), 1877-1949.
Eakin, Henry M. (Henry Miner), 1883-1936.
Philip S. Smith, Henry M. Eakin.
Shungnak Region, Kobuk Valley and the Squirrel River placers, Alaska