Subject: cnlavn<br/>
Date: Oct 26, 2006 @ 16:45<br/>
Author: aletheia kallos (aletheia kallos &lt;aletheiak@yahoo.com&gt;)<br/>
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<div id="ygrps-yiv-1382102469">best available map<br/>
<a rel="nofollow" target="_blank" href="http://www.nexus.net/~911gfx/vietnam/maps/nf48-05/nf48_05a.html">http://www.nexus.net/~911gfx/vietnam/maps/nf48-05/nf48_05a.html</a><br/>
on which the tripoint at khoanglaxan peak aka<br/>
shicengdashan mountain is shown at bottom center<br/>
<br/>
all 3 ibs confirm the tripoint is at a watershed<br/>
trijunction<br/>
<br/>
& for additional confirmation of the summit point<br/>
there is also<br/>
<a rel="nofollow" target="_blank" href="http://groups.yahoo.com/group/BoundaryPoint/message/18121">http://groups.yahoo.com/group/BoundaryPoint/message/18121</a><br/>
<br/>
so the attached tripoint stretching diagram simply<br/>
locates this exact summit point with the help of the<br/>
google earth contour features<br/>
tho it is well to bear in mind that the reliability of<br/>
the 3d feature has recently come into question at<br/>
atitsi<br/>
<br/>
& some other data to bear in mind are<br/>
<br/>
google earth altitude readings are well under 100<br/>
meters off of the topo readings in relatively low<br/>
elevations like this<br/>
but they are generally about 1000 meters off in the<br/>
high himalayas<br/>
suggesting the numerical elevation error could well be<br/>
a direct function of the numerical altitude reading<br/>
<br/>
which makes me wonder why they dont just tweak these<br/>
readings up or down a little to make them right<br/>
or at least get them a lot closer with a little fine<br/>
tuning<br/>
<br/>
& it suggests something more may be at stake &<br/>
something more required than meets the eye<br/>
<br/>
but the error in any case does seem to be far more<br/>
vertical & scalar than directional or horizontal at<br/>
all<br/>
<br/>
our 2 guesses shown on the attachment are the better<br/>
part of a kilometer from the tripoint position<br/>
indicated by google earth<br/>
but they are no more than 50 meters apart horizontally<br/>
& less than 10 meters apart vertically<br/>
<br/>
which suggests the google earth border depiction<br/>
feature is far more aberrated than any of the others<br/>
<br/>
& fortunately so<br/>
since the border feature is the one we are relying on<br/>
the least<br/>
<br/>
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