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 Lob Trees in the Wilderness, The Human and Natural History of the Boundary Waters Isabel Ahlgren • Clifford Ahlgren HISTORY • 2001 • PAPER • 232 PAGES  E-mail this page  Printer-friendly version
A study of the human impact on the wilderness along the Minnesota-Ontario border. Isabel and Clifford Ahlgren look specifically at the tall trees known as guideposts or 'lob trees' by the French Canadian voyageurs who explored the region.
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