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- [5] RECENT WORK OF THE U. S. GEOLOGICAL SURVEY IN ALASKA BULLETIN OF THE AMERICAN GEOGRAPHICAL SOCIETY OF NEW YORK, 1902, 34 (01): : 1 - 16
- [7] U. S. Geological Survey. Fortyfifth annual report of the Director of the - to the Secretary of the Interior for fiscal year ended june 30, 1924 PETERMANNS MITTEILUNGEN, 1926, 72 (3-4): : 92 - 92