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『東洋文庫所蔵』貴重書デジタルアーカイブ
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| 0628 |
Southern Tibet : vol.7 |
| 南チベット : vol.7 |
引用情報
OCR読み取り結果
June 15th, 1909 LONGSTAFF, NEVE and SLINGSBY crossed the Saltoro
Pass (18,200 feet) and »what was supposed to be the main divide of the eastern
Karakoram». On the farther side they found the greatest glacier they had
ever seen.
Together with Captain OLIVER, Longstaff, next September, proved that this
glacier was merely the upper portion of the Siachen Glacier. Its full length was
about 45 miles. The chain of very lofty peaks north of it constitutes »the true
water-parting between India and Central Asia. Geological indications point to their
direct continuity with the Gusherbrum chain, which has been shown by the Duke
of the Abruzzi's expedition to consist largely of various forms of limestone». From
the crest of Rgyong La (18,700 feet), 30 miles to the south, Longstaff, on July 2nd
realised the great elevation of this new group of peaks. »The observed altitude
(of Teram-Kangri) will be 27,610 feet. This value has therefore been adopted for
the present.»
July 12th the Saltoro Range was crossed from north to south by an entirely
new pass, the Chulung La (18,300 ft.).¹
On a photograph by SELLA (June 22nd, 1909) showed to the S. E. a lofty
dominating snow peak, which Longstaff recognized as the peak he had photographed
from the south and called Teram Kangri. The observations of the Italians compared
with those of Longstaff again worked out a height of »just over 27,000 feet». »But
it must be quite obvious that my results are merely tentative and are in sad need
of confirmation by some properly qualified surveyors.»
On his map, Explorations in the Eastern Karakoram, he has entered 27,610
feet for Teram Kangri. His own heights are red on the map, and determined
»from clinometer, Watkin aneroid, and hypsometrical observations». As the height
of the new-conquered giant was given within ten feet, it seemed to be very nearly
correct.
The altitude, however, by scientific observation proved to be exaggerated.
V. W. B. COLLINS in 1911 was able to take many observations of the Teram
Kangri and surrounding peaks with his theodolite.² The station, called Ningstet
after the nearest village, was at 18,750 feet. He had made similar observations from
the Wusak station. The combined observations gave 26,422 feet. Then he marched
up the Nubra to Strongstet, the northern-most village on the left bank of that river.
From this third station Strongstet, new observations were taken to the Teram Kangri.
As the three angles of the triangle formed by the three stations amounted to some
degrees in excess of 180° he returned to Ningstet, which led to the necessary
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17
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28
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38
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49
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60
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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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128
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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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251
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263
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277
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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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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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467
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488
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530
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552
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563
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573
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593
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646
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656
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666
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681
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704
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726
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737
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773
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788
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801
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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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