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INDIA

extended cultivation of the soil may probably be found,
although it cannot be on any very large scale. The rich
valley of Herat leaves no space for further irrigation
projects. The margin of the Oxus is already cultivated to

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the very edge of the sand wastes that will eventually overwhelm
 it. The waters of these northern streams which
are lost in the Oxus plains are already utilised to their
fullest extent. The Pamirs offer no field for anything but
the produce of intermittent grazing. The ancient king-