[at-l] Handbook/Companion/Data Book/Guide ??

[wdlists at optonline.net (Walter Daniels)]

> 
> The trick with profile maps is that they show the shape of 
> the trail, not the way it looks on the ground.  It's as 
> though you laid a string on the trail, measured it, then 
> stretched it out straight for the profile map.  One example 
> of the shape of the trail versus what is actually on the 
> ground is going north into Erwin.  What looks like a long, 
> slow, straight-out descent on the profile map is actually a 
> cliff face with long switchbacks.  If you look at the profile 
> map, you get one impression of what a particular mountain 
> looks like.  If you look at it from a distance, the mountain 
> looks completely different.  The vertical shape of the trail 
> is different from the shape of the mountain itself.  Am I 
> saying this in a way that makes it clear?  Somebody help me 
> out here!  
> 
> anklebear 
> 
Very good description and I bet things like that are the reason people claim
the profiles are wrong. The only "mistakes" I have seen are actually places
where the trail has been relocated and you can hardly expect either the map
or the profile to be correct.

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