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| 0454 |
Southern Tibet : vol.7 |
| 南チベット : vol.7 |
引用情報
OCR読み取り結果
difficult, a new one was struck out up a more northerly glacier that leads to where Mustagh
Pass is marked on the large map. This one I followed for some distance up the glacier,
but not as far as the summit of the Pass, to which as yet no European has reached.
Formerly Hunza robbers made the passage dangerous on the farther side of
the range. The pass is open for but a short time in summer; as soon as snow falls
on it the crevasses are hidden and the journey becomes dangerous. Drew was in
Braldu in 1863 and got information from natives. All the difficulties caused the
road to be disused. From 1863 to Drew's second visit in Baltistan in 1870, there
had been no communication with Yarkand.
Drew gives the conclusive explanation of the famous and terrible Indus floods
at Chach in Hazara in 1841 and at Attok in 1858. CUNNINGHAM and HENDERSON
had searched for the cause in the breaking of the icy barrier of the lake above
the Kumdan glacier. DREW, however, proves that the barrier must have been
situated below the junction with the Shayok. The answer which was found out by
Major BECHER in 1858—59 corroborates the views of Drew, who visited the place
himself. Drew found that an earthquake caused a heavy landslip near Hatur Pir
late in the autumn of 1840. Thus a lake was formed. The lake went up the Gilgit
valley and must have been 35 miles long, and the lake branch in the main Indus
valley must have had the same length. It got filled in 6 or 7 months. Then the
dam gave way and the whole lake drained off in a day. There have been lakes
formed at Kumdan he says, but they have nothing to do with the catastrophe of Chach.
In Drew's work we find some interesting tables of different routes. His route
Nr. 23 goes from Leh via Kara-korum to Yarkand, passing Burtse, Kisil-unkur and
Dowlet Bek-öldi; this is the summer route; the winter route passes the same stations.
Nr. 24 is taken from The Panjab Trade Report for 1862. As in both cases the
eastern road is mentioned, the Kumdan route seems to have been closed. On his
map the Chong Kumdan glacier reaches the river, and the Kichik Kumdan and Ak-
tash glaciers proceed very near it.
Drew's beautiful general map is chiefly taken from the Great Trigonometrical
Survey's maps of 1874.¹ Here the Mus-tagh or Kara-korum Mountains are marked
as a very conspicuous system just as nowadays. The Lokzhung Mts. are drawn as
a S. E. continuation of the Kara-korum Mountains, the uppermost Kara-kash River
forming a transverse interruption. The Aksai-chin Lake is entered as on the prece-
ding maps, and the draftsman has made use of the discoveries of the British tra-
vellers dealt with in the previous chapters. South of the Eastern Kuen-lun of HAY-
WARD, and east of Kara-kash there is a group of small salt lakes, obviously the
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28
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49
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70
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81
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92
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105
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117
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138
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150
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161
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177
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190
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202
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214
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225
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237
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263
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291
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302
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315
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329
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342
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352
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363
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375
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386
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397
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407
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420
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432
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444
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452
453
454
455
457
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467
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478
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488
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499
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510
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520
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530
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541
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552
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563
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573
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583
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593
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605
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615
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625
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635
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646
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656
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666
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681
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693
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704
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714
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726
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737
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747
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758
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773
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788
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801
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813
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833
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848
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864
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876
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888
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