How a glowing dye test proved that 60% of Mammoth Cave's underground water reaches far past the park's own boundaries
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Nimisham EditorialSenior Editorial Lead
Nimisham
Source Attribution: View original report on Hindustan Times
How a glowing dye test proved that 60% of Mammoth Cave's underground water reaches far past the park's own boundaries
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Nimisham EditorialUpdated:
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