The Seattle Times

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COURTESY OF CARL GUSTAFSON
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Sunday, October 30, 2011

WSU prof was right: Mastodon weapon was older than thought, scientists say

In August 1977, Carl Gustafson inspects a mastodon bone embedded with what turned out to be the point of a spear fashioned from another mastodon bone. The use of new technology such as DNA sequencing has confirmed the find of the now retired WSU professor.