1923%20Memoir%20on%20Maps%20of%20Chinese%20Turkistan%20by%20Stein%20s

Chap. IV1 NOTES ON SHEET No. 26 83
s~rcceetl in making their nay to t.lre Cllar- rccer~tly re-estallislrecl nmr a site abandoned
chan river across the gravel glacis ant1 the for cer~tlrries, and Tatran ( D. 2 ), arr orrtly-
bcblt, I)arLly scrnbhy desort and partly Ijarc irrg orti ti on of tlrc Clrarklrlik ctasis, are the
drift-sand, wl~icl~ stretclrrx soutl~ of the river. only patches of ~)ernianerrtly occu1,ied ground
The small colony of V5sl1-sh:~l~ri ( (I. 3 ), within tlie area corn1,rist:d in this sheet.
Ast~.osut~ticalLy oolaerrctl lutil~~rles.
1906-08. Yol-sai, Carpp 1 10 (C.4.) ... . . . ... :lbQ 20' 2"
10 13-15. Kixil-kl~nr, Camp 14, ( hill-station, 5128, on *and-ridge, N.E. of
Camp; B. S) .. . ... . . . ...
Tatlik-bulak,Camp'l9 (\vest end of base, rock near ravine ; I). 3) ...
:~x~ee'la~'
58' 37' 59"
NOTES ON SFIEI1:T No. 27 ((EIIiiDALIK)
'1'11~ area surveyed in the N. IT. corner were availal~le, 1,esitles soroe peaks intersected
of t,his sheet is conlined to sllurs of the main at the close of liai Itim Singlr's triangula-
K'11n-l1rn range, tlescer~tlinq north of the tion of 1006 ( see Appendix A, sr~h 69 K).
Cllarchan river gorge, and to a port,io~r of Two latitutlc observations were also utilized.
the gravel glacis rrear the gold ])its of Iihi- The level assurnrd for the snow-line is
[[alik. For its tlelineatio~~ a nun~ber of quite conjectnral and 1)robally far too OW,
trigonometrically determinetl statious and both snr\rcyors having visited tlre groucd
l>Oints from li. B. La1 Singlr's work of 1913 very late in the autumn.
Aatro~ro~~~iccrlly ubsevz>e~l lalilt~des.
1906-08. Rara-tish Sai, Camp 106 ( 1. 1 ) ..
1913-15. Khidalik, Carnp 8 ( A. 1 )
NO'I'ES ON SHEET KO. 28 (TURFAN)
'I'he main routes passing through the the southwest on that of Korla. The shifting
celltral and the south-mestern portion of this to the west which the latter position has
sheet were surveyed in 1907. But most of under gone through erroneous adjustment of
these were follonred again in 1911-15, and R. B. Lil Singh's triangulation in the Kuruk-
as much of the Turfen depression (B-D. 3) tigh, as explained in groop I of Major
mas then surveyed in detail on the scale of Mason's Appendix A, has affected also the
1 mile to the inch and mucl~ fresh ground positions of Singer (NO. 29. B. 2) and
boil> to the north and south of it mapped, Hltmish-bulak (No. 29. D. 3) in t.he adjoin.
tile greatest portion of the \vork now shown ing sheet, with corresponding discrepancies
iu this slleet belongs to the third expedition. in longitudes for the routes which from the
For the adjustment of the plane-table Tui-fsn basin lead south to these two places.
\vork, the position of the 'Yangi-sbahr' of
Turfin, falling near the centre of the sheet,
furnished a convenient base. The valne
adopted for its longitude is 89'6'30", this
being the approhimate mean between the
value chronometrically observer1 by RIr.
Clementi (8gC 6' 3") and that accepted in the
1906-08 map (89'7'). The longitude shown
in our map for the town of Lnkchun,
89' 41' 30", receives \velcome confirmation
from the value of 89" 42' 28'' \vl~ich
Roborovsky's astronomical observations indi-
In addition to the latitude observationa'
recorded below, several others taken by Mr.
Clementi on the main road and by Russian
explorers have also been used.
The details in the Turfin depression
have as far as possible been taken frorn the
one-inch survey carried out by hi. Muhammad
Talcfib from December, 1914, to hiarch,
1915. This extended over practically the
whole of the cultivated area of the Turfin
basin, frorn Yamshi iu the \vest to Pichan
(No. 31. A. 3) in tlre east, and included a
cate for his meteorological station, established great portion of tlre depression in the south
close to that important town. lying below sea-level. For this detailed
The latitude observation of 1907, as survey a base was measured near Kara-Iihoja
shown below, agrees with Mr. Clementi's (C. 3), and the longitude of this placededuced
within22 seconds. The traverse along the from that of Turfin 'New Town' (Yanai-
road eastwards was adjusted on the shahr).
position adopted for Himi, and the traverse to One of the features which invest the
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