A map of the rugged topography around the Azores Islands produced by
Gerhard Schott. This map gives an indication of the level of detail achievable
with piano-wire sounding technology. Map VII, p. 112, Geographie des
Atlantischen Ozeans by Gerhard Schott 1912. Library Call No. GC481.S4 1.Aufl.
(1912).
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