翻訳と辞書 ・ Indian spotted chevrotain
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・ Indian Springs, Montana
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・ Indian Springs, Nevada County, California
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| Indian Springs Trace Fossil Natural Area ： ウィキペディア英語版 |
Indian Springs Trace Fossil Natural Area
Indian Springs Trace Fossil Natural Area is a 40-acre privately owned site in Fremont County, Colorado. It was designated a National Natural Landmark in 1980.〔
== Overview ==
There are 25 types of trace fossils of horseshoe crab, brachiopods, trilobites and pawless armor-plated fish that lived 450 millions years ago in a lagoon. The fossils are set in rock of Harding Formation.〔(【引用サイトリンク】 title=Indian Springs Trace Fossil Locality )〕 It is considered North America's best site of trace fossils because its shows the movement of the ancient animals.〔(【引用サイトリンク】 title=National Nature Landmarks - Indian Springs Trace Fossil Site )〕 Tracks left by the animals walking, swimming and burrowing in what had been a tidal lagoon's mudflat.〔
The site is located along the Gold Belt Byway on the grounds of the Indians Springs Campground.〔(【引用サイトリンク】 title=Scenic Drives )〕〔(【引用サイトリンク】 title=Gold Belt Tour Scenic and Historic Byway )〕 Owners conduct tours of the fossil site.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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