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Natural Trap Cave : ウィキペディア英語版 | Natural Trap Cave Natural Trap Cave is a pit cave in the Bighorn Mountains, in northern Wyoming, United States. Excavations in the cave are an important source of paleontological information on the North American Late Pleistocene, due to a rich layer of fossils from animals that became trapped in the cave. ==Location== The cave is located northeast of Lovell, Wyoming, at an elevation of . It is a bell-shaped pit or sinkhole within the Madison Limestone, deep, with a slightly elongated opening of by at the top, and a diameter of around at the bottom.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Natural Trap Cave」の詳細全文を読む
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