Waitt, who is with the US Geological Survey in Vancouver, Washington, has visited the Scablands hundreds of times to trace the story of the megafloods through the record preserved in sediment.

 
  • Richardhitt在华盛顿州范库弗的美国地质测量局工作,他已经数百次造访疤地,通过沉积物中保存下来的纪录追踪大洪水的故事。
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