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Dissected Till Plains : ウィキペディア英語版 | Dissected Till Plains
The Dissected Till Plains are physiographic sections of the Central Lowlands province, which in turn is part of the Interior Plains physiographic division of the United States, located in southern and western Iowa, northeastern Kansas, the southwestern corner of Minnesota, northern Missouri, eastern Nebraska, and southeastern South Dakota.〔(【引用サイトリンク】 url=http://tapestry.usgs.gov/physiogr/physio.html )〕 The Dissected Till Plains were formed by pre-Wisconsin glaciations during the Pre-Illinoian Stage. Glacial scouring and deposition by the Laurentide ice sheet and the later accumualtion of loess during the Wisconsin Stage left behind the rolling hills and rich, fertile soils found today in the region. The region is also the western edge of the Corn Belt. ==References==
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「Dissected Till Plains」の詳細全文を読む
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