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Politics : Politics of Energy -- Ignore unavailable to you. Want to Upgrade?


To: Sdgla who wrote (39999)5/23/2013 6:30:31 PM
From: Wharf Rat1 Recommendation  Read Replies (1) | Respond to of 86356
 
"records were wiped out when the record keepers were wiped out in the bad weather."

Hence, the use of natural records, like ice cores.

Scientists Drill Back 3.6 Million Years in Siberian Lake