Illinois cave reveals ancient pine

An Illinois scientist says needles from what could be the oldest pine tree found in North America were discovered in a limestone cave near Morris, Ill.

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<p><a href="http://www.physorg.com/news98162903.html">Illinois cave reveals ancient pine</a></p> <p>An Illinois scientist says needles from what could be the oldest pine tree found in North America were discovered in a limestone cave near Morris, Ill. </p>