Read The Longest Cave by Roger W. Brucker

Roger W. Brucker

In 1925 the geological connection between Flint Ridge and Mammoth Cave was proved when dye placed in a Flint Ridge spring showed up in Echo River at Mammoth Cave.That tantalizing swirl of dye confirmed speculations that were to tempt more than 650 cavers over half a century with the thrill of being the first to make human passage of the cave connection. Roger Brucker and R

Title : The Longest Cave
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Rating : 8
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Format Type : Hardcover
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