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- A large thick mass of ice formed on land by the compacting and recrystallization of old snow and move under the influence of gravity. Glaciers survive from year to year, and creep downslope or outward due to the stress of their own weight.
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- BW, density, Dry unit weight, Low density material, Maximum unit weight, Parts Per Billion (ppb), Parts Per Million (ppm), Plumb Bob, Saturated unit weight, Specific weight, Unit weight, Unit weight of water, Wet unit weight