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Roger Brucker
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#	Item
1	PDF Document Add to Reading List Source URL: mammothcavehotel.com Language: English - Date: 2005-02-19 00:29:00 Subterranea Floyd Collins Roger Brucker Stephen Bishop Cave Research Foundation Show cave Caving Cave Great Onyx Cave Mammoth Cave National Park Physical geography Kentucky
2	National Park Service U.S. Department of the Interior Mammoth Cave National Park Kentucky 590,629 meters Add to Reading List Source URL: nature.nps.gov Language: English - Date: 2009-07-16 17:24:00 Geography of the United States Cave Research Foundation Cave Roger Brucker Martin Ridge Cave System Physical geography Mammoth Cave National Park Kentucky
3	PDF Document Add to Reading List Source URL: www.mammothcavehotel.com Language: English - Date: 2005-02-19 00:29:00 Subterranea Floyd Collins Roger Brucker Stephen Bishop Cave Research Foundation Show cave Caving Cave Great Onyx Cave Mammoth Cave National Park Physical geography Kentucky
4	National Park Service U.S. Department of the Interior Mammoth Cave National Park Kentucky 590,629 meters Add to Reading List Source URL: www.nature.nps.gov Language: English - Date: 2009-07-16 17:24:00 Geography of the United States Cave Research Foundation Cave Roger Brucker Martin Ridge Cave System Physical geography Mammoth Cave National Park Kentucky
5	Vol[removed]No[removed] Add to Reading List Source URL: www.karstportal.org Language: English - Date: 2012-03-26 08:49:58 Caving organizations Caving Cave Coastal geography Grotto Roger Brucker Carlsbad Caverns National Park Caves of Maryland Mammoth Cave National Park Physical geography Geography of the United States Tennessee

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