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0057 Explorations in Turkestan : Expedition of 1904 : vol.1
Explorations in Turkestan : Expedition of 1904 : vol.1 / Page 57 (Color Image)

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[Photo] 2 Beginning Working at the North Kurgan.

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doi: 10.20676/00000178
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After this, a continued progress towards extreme aridity advanced the desert
sea of sands till its dune-waves, rolling ever nearer to the mountain, completely
submerged long stretches of the narrowed loess-zone between the now restricted
deltas at the mouths of mountain streams. The teeming herds of ruminants and
horses disappeared over vast areas, and life was restricted to the mountains and to
the borders of the few remaining streams and the deltas.
When this stage had been reached, in early prehistoric time, and long before
the introduction of irrigation, the condition of southern Turkestan and northern
Persia may be summed up as one of deserts, relieved only by oases in high valleys
and on the deltas at the mouths of streams emerging from the mountains, or where
larger rivers died out on the plains or entered the shrunken seas. The delta-oases
have been the home of man from early prehistoric time till now, throughout
Turkestan and northern Persia. On one of these, at Anau near Askhabad, 300
miles east of the Caspian, we made, in 1904, excavations and physiographic
studies.