Collier's New Encyclopedia (1921)/Iceberg

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For works with similar titles, see Iceberg.

ICEBERG, a mountainous mass of ice floating in the sea. Icebergs are produced by the breaking off of great masses from glaciers which have descended into the sea. When numbers of icebergs freeze together, they form what are called “fields” or “packs,” which are often of great extent, stretching across the ocean as far as the eye can reach, and often rising in perpendicular cliffs from 80 to 100 feet above the water.