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Updated: May 15, 2025
I knew of celebrated caverns from the descriptions of travellers, but had never heard of any of such dimensions as this. If the grotto of Guachara, in Colombia, visited by Humboldt, had not given up the whole of the secret of its depth to the philosopher, who investigated it to the depth of 2,500 feet, it probably did not extend much farther.
The great grotto of Guachara, in Colombia, visited by the learned Humboldt; the vast and partially explored Mammoth Cave in Kentucky what were these holes in the earth to that in which I stood in speechless admiration! with its vapory clouds, its electric light, and the mighty ocean slumbering in its bosom!
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