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Strictly Surveying
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Imagine white explorers on the plains of South Dakota 61 years before Lewis & Clark and leaving something for later generations to find.
http://www.nps.gov/nr/travel/pierre_fortpierre/verendrye_site_pierre.html
Posted : January 31, 2011 1:20 pm
If I remember my "Ohio History" class, from 50+ years ago, similar plates were found in the Ohio river valley.
Posted : January 31, 2011 3:28 pm
