| He was till recently the head scientist at the world's first speleological institute. |
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| None of these had a map, any recollection of the cave's name, or predictably, even basic speleological Slovak. |
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| That's been the thinking of the National Speleological Society, the largest organization of cave professionals and enthusiasts. |
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| Word Ways would offer a plausible excuse for resigning my National Speleological Society membership committee job, one that held little interest for me. |
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