五头乳齿象、三头冰河期野牛和一头幼年哥伦比亚猛犸象的部分遗骸，以及植物和昆虫都已被发现。

Partial remains of five mastodons, three Ice Age bison and a juvenile Columbian mammoth, as well as plant matter and insects, have been found.

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但是，考古学家表示，很多此前发现的猛犸象骨骼化石中含有史前洪水冲击下来的碎片。冰河时代末期的哥伦比亚盆地曾屡次受到史前大洪水的冲击。

But most prior discoveries of mammoth bones have involved fragments washed down during the prehistoric floods that repeatedly swept across the Columbia Basin at the end of the Ice Age.

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但是，考古学家表示，很多此前发现的猛犸象骨骼化石中含有史前洪水冲击下来的碎片。冰河时代末期的哥伦比亚盆地曾屡次受到史前大洪水的冲击。

But most prior discoveries of mammoth bones have involved fragments washed down during the prehistoric floods that repeatedly swept across the Columbia Basin at the end of the Ice Age.

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