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  • This paper presents stable carbon and nitrogen isotope data obtained from the fossil bone collagen of late Pleistocene short-faced bears and brown bears, and bone collagen from modern brown bears in eastern Beringia. The data elucidate many
  • 1995
  • None of the questions regarding the extinctions can be definitively answered with the data presented here. However, in combination with other 14C dates of bone collagen recently reported from site in the southwest and the northwest, the five dates
  • 1995