1. What Happened To...
... of the Ice Age, and the two modern species of elephants, belong in the order Proboscidia. The mastodon probably traveled alone rather than in a herd, browsing on Spruce limbs in open woodlands. The mammoths migrated into North America by at least 1.7 million years ago (Haynes, 1991). They traveled in herds and generally ... these is the Lehner site. It is located in the San Pedro Valley in Cochise County of southeastern Arizona. Ed Lehner discovered mammoth bones in 1952 on property that he later purchased (Grayson, 1993); Emil Haury began excavating the site in 1955. In the San Pedro Va...
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