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Published online by Cambridge University Press: 25 January 2017
303 Dr. Roberts advises me that no Yuma specimens have been found in the lowest stratum at Lindenmeier, below the black zone, althpugh Folsom points have been noted in the lowest reaches of artifact occurrence.
304 Dr. Frank H. H. Roberts informs me by correspondence that in 1938 the party under his direction recovered five feet of a mammoth tusk, some splinters of bone and considerable charcoal in the same horizon as the Folsom material about half a mile east of the Lindenmeier site. No implements or flakes were found with it, and it does not constitute a definite association with the Folsom complex. Although it cannot be concluded that the Lindenmeier Folsom people killed mammoth, Roberts is of the opinion that these mammoth bones are approximately contemporaneous with the occupancy of the Lindenmeier site.