There is no justification for the identification for Armageddon as a "tel" in either the body of the article or in the articles on "tels". The sentence on Megiddo as a tel is correct with respect to explaining what the tel of Megiddo is, but that is not related to Armageddon. The article on tells distinguish between the tel of Megiddo and Armageddon as two different places.
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