Hubbard Glacier. Alaska, Hubbard Glacier is the largest tidewater glacier on the North American continent. It has been thickening and advancing toward the Gulf of Alaska since it was first mapped by the International Boundary Commission in 1895 (Davidson, 1903

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Keywords: 1895, 1903, advancing, alaska, american, boundary, commission, continent, davidson, glacier, gulf, hubbard, international, largest, mapped, north, thickening, tidewater