Smaller icebergs could threaten oil tankers
Icebergs that threaten tankers carrying oil from the trans-Alaska pipeline are likely to be smaller but more numerous over the next two decades, according to a study by a citizens oversight group.
Ice that calves off the Columbia Glacier near Valdez has to travel farther to reach shipping lanes bec....
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Exxon Valdez avoiding ice
Icebergs floating over moraine
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