国立情報学研究所 - ディジタル・シルクロード・プロジェクト
『東洋文庫所蔵』貴重書デジタルアーカイブ
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| 0201 |
Ruins of Desert Cathay : vol.2 |
| 中国砂漠地帯の遺跡 : vol.2 |
引用情報
OCR読み取り結果
depression like promontories of a much-indented coast-line.
Rising with very steep faces to heights of 120 to 200 feet
above the intervening depressions and commanding ex-
tensive views, these ridges furnished excellent natural
bases for the towers, and the Chinese engineers did not
fail to make the most of them. On this account it was
always easy for us to sight these towers from afar. It was
curious to note, as the survey progressed to the south-west,
how much care they had taken to place their signalling
towers for a direct distance of more than twenty-four miles
in an almost straight line, as if they had fixed their positions
by sighting with a diopter! But it would need a large-
scale map to discuss such details.
But, quite apart from the skill of this early military
engineering, there was enough of interest in certain physical
features of this forlorn region to reward attention. As I
made my way slowly from tower to tower I found myself
skirting the coast-line of an ancient lake basin now partially
dried up. While crossing in succession its bays and inlets,
all occupied by abundant Toghrak groves and reed-beds,
and then again the boldly sculptured clay ridges which
formed the headlands between (Figs. 180, 181), I could
not help noticing that the latter almost all ran in the same
direction from south-east to north-west. Where the bays
were wider there could be seen within them strings of
isolated clay terraces exactly parallel to the ridges. Else-
where the latter had a continuation formed by similar clay
terraces projecting farther into the marshy basin and still
maintaining the same bearing.
The bays and intervening ridges clearly owed their
direction to the carving done by running water, which had
once descended from the foot of the distant mountains
and across that gravel glacis now so terribly dry. This
became quite certain when, just below one of the ridges
crowned on its top, some 200 feet higher, by a conspicuous
watch-tower, I came upon a deep-cut dry river bed. It
came from the south-east, and showed unmistakable signs
of having been washed by occasional floods at a relatively
recent period. The banks were so steep that the camels
could not be got across without difficulty. Elsewhere,
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617
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629
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683
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696
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709
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723
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736
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749
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771
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783
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793
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803
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