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and seeking the cause you perceive that the yawning mouth of the cavern is before you -- descending several steps & following rapidly the footsteps of the guide you are past the current of air & find yourself in a perfect stillness within the cave -- For some distance the harmony of the scene is destroyed by the present of the remains of a salt petre works, formerly used during the War of 1812, great quantities of this article being extracted from the dirt of the cave -- Beyond this the subterranean scenery begins & it is probably unequally by any other example known -- An immense cavern fifty to sixty feet in width & often more in height extends for four miles from the entrance & constitutes the main cave - Here perfect stillness reigns & awful silence never broken but by the hasty flight of some solitary bat & that only near the entrance - Impenetrable darkness fills every cavity & our lamps rather hint that fully reveal the immense masses of jagged & riven rocks, strewn upon the bed of the cave apparently tossed & torn by some tumutious torrent -- Rising from