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TO BOLDLY GO
Rochester Post Bulletin August 2004 |
CAVES.COM INTERVIEW CAVES.COM July 2003 |
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CAVE DISCOVERER'S HOBBY IS A 'BLAST'
KSTP January 2004 |
COLD WATERS City View February 2004 |
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THE CAVE FARM - A MINNESOTA KARST PRESERVE John Ackerman National Speleological Society News April 2001 |
ROCKING THE UNDERGROUND Minnesota Monthly October 2007 |
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AN UNDERGROUND TREASURE TROVE River Valley Reader January 2005 |
DIGGIN' CAVES Associated Press October 2003 |
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National Geographic |
Bluff Country Reader |
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Bluff
Country Reader |
Bluff
Country Reader |
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