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Digital Archive of Toyo Bunko Rare Books
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| 0568 |
Southern Tibet : vol.4 |
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Before proceeding to the hypsometrical relations and the panoramas along my second crossing of the *Transhimalayan System,* a few words should be said regarding our road along the *Tsangpo,* and the panoramas pertaining to this part of my journey.¹
From the village *Chang-tang* where I crossed the *Tsangpo* a few kilometers N. W. of *Shigatse,* to the confluence of the *Dok-chu* with the *Tsangpo,* a little above *Chaga* or *Camp CXXXV,* the distance along the road on the northern bank will be 93 km. — if I calculate a short-cut from *Camp CXXXII* to *Camp CXXXIV,* instead of going up to *Camp CXXXIII* at *Ye.*²
The absolute altitudes obtained from a boiling point thermometer and three aneroids are, as I have said before, too much dependent on the atmospheric pressure to be quite reliable. Along a river with a very slow fall one becomes, of course, very sensitive regarding the altitudes given by the instruments. However, I think that 3,850 m. will be fairly near the real altitude of the *Tsangpo* at *Chang-tang,* and 4,013 m. at the confluence of the *Dok-chu* and *Tsangpo.*³ For the distance of 93 km. the fall of the river would, therefore, be 163 m., and the rate of fall as 1:571. Though this fall is very gradual it is steeper than we have found in the Upper *Indus.*
The panoramas along this section of my road are meant to give an impression of the mountainous landscapes of the *Tsangpo* valley. Panorama 143, Tab. 25, is taken from *Camp CXXVI,* the village of *Rungma,* and embraces only the hills to the south and S. W., — those to the north being too near.
Panorama 147A and B, Tab. 26, drawn from the village of *Tana (Sta-nakpo)* is more instructive as it embraces the whole valley, except a less important part
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16
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43
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57
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68
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81
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92
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107
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119
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131
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144
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162
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177
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190
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205
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230
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241
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253
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266
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279
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291
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302
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315
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327
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339
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354
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366
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379
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393
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404
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416
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429
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441
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453
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464
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474
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484
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495
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505
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519
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529
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541
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552
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565
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568
569
571
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583
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600
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615
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629
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643
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654
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665
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677
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692
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707
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725
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736
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746
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756
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