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0431 The Pulse of Asia : vol.1
The Pulse of Asia : vol.1 / Page 431 (Color Image)

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doi: 10.20676/00000233
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stand till about 1820. Since then the level has been low,
with many minor fluctuations, as is indicated in the accom-
panying diagram.

The evidence of the high stand of the Caspian Sea during
the Middle Ages is so abundant that there is little need of
citing the maps of the period. The majority were drawn in
Europe, and are based partly on ancient and partly on con-