"
MAP OF ATLANTIS, WITH ITS ISLANDS AND CONNECTING RIDGES, FROM DEEP-SEA
SOUNDINGS
And all these things recent investigation has proved conclusively.
Deep-sea soundings have been made by ships of different nations; the
United States ship Dolphin, the German frigate Gazelle, and the British
ships Hydra, Porcupine, and Challenger have mapped out the bottom of the
Atlantic, and the result is the revelation of a great elevation,
reaching from a point on the coast of the British Islands southwardly to
the coast of South America, at Cape Orange, thence south-eastwardly to
the coast of Africa, and thence southwardly to Tristan d'Acunha. I give
one map showing the profile of this elevation in the frontispiece, and
another map, showing the outlines of the submerged land, on page 47. It
rises about 9000 feet above the great Atlantic depths around it, and in
the Azores, St. Paul's Rocks, Ascension, and Tristan d'Acunha it reaches
the surface of the ocean.
Evidence that this elevation was once dry land is found in the fact that
"the inequalities, the mountains and valleys of its surface, could never
have been produced in accordance with any laws for the deposition of
sediment, nor by submarine elevation; but, on the contrary, must have
been carved by agencies acting above the water level.
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