Re: [at-l] reading maps

>From: Kenneth Knight <krk@mail.speakeasy.org>
>Date: Mon, 11 Dec 2000 11:58:48 -0500
>
>I don't have any that I can look at right now, but I can't think of any of 
>my AT maps that have
>contour lines of merely 10'. I've seen 40' and 100' lines. I'm not saying 
>they don't exist, jus that
>I can't recall seeing any.

Working at home today...  Of the ones I've checked, the MA/CT maps are 10' 
contours, the PATC maps are 20', the KTA map is 100', and the ATC maps 
through VT/NH are 20'.  So, they seem to be all over the board.

>...before
>remembering what scale the map is drawn too

Then there's the vertical exageration on the profiles...  it's funny, all of 
the maps I just checked were 5.28 but I know there more  variation than that 
- perhaps further south.  A lot of people compared profiles without taking 
into account the vertical profile.  Then they would think the maps were 
wrong.  Go figure...


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