Star Tribune: John Ackerman with a portion of the nearly 100 bones found in Bat River Cave and Tyson Spring Cave. A Farmington caver and his friends have unearthed some rich and surprising pieces of Minnesota's prehistoric past. By RICHARD MERYHEW, Star Tribune
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# Posted by Michelle Moran @ |
Tuesday, February 17, 2009
It's not every day in Minnesota you get treated to ice age archeological site. John Ackerman wasn't looking to dig up history as he crept through the cold, wet southern Minnesota cave that spring afternoon in 2008.