Corps archaeologists study Missouri River's past
Published 08/19/2013, Associated Press
Sometimes during high water the Missouri River will carve away one of its banks like an old man turning out his pockets to bring things to light — scrapers and knives made of Knife River flint, hoes and squash knives made of bison bone, 19th century toy horses made of pewter or cast iron.Word count: 1128
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