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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Bradbury Brook ： ウィキペディア英語版 Bradbury Brook Bradbury Brook is an archeological procurement area (21ML42), located a few miles south of Mille Lacs Lake in east central Minnesota. Here Late Paleoindian inhabitants gathered cobbles of siltstone from a streambed or directly from glacial drift. A partially intact stone workshop at this site was dated to 7212 +/- 75 BCE (before common era). The siltstone was used to produce a variety of tools, including a stemmed point, other bifaces, keeled scrapers, blades and chipped stone adzes. The workshop also contained several fragmented anvilstones and an abundant sample of hammerstones of various sizes Archaeologists working at the site found more than 125,000 artifacts, including stone tools, dating to 7212 BCE, making it the earliest dated excavated site in Minnesota.〔(【引用サイトリンク】 Archaeology Collection )〕 == See also == *(Mille Lacs County Streams ) 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「Bradbury Brook」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.