have built contour line maps lately based on srtm data. If anyone is interested 
in a specifc area let me know. I am not such a web guru like Lambertus and have 
no host to provide them for convenient download. If someone can host them let 
me know.  most tiles are 1x1 degree except where it didn't fit in one .img
But srtm data has many errors and gaps in mountain areas. Anyone knows where to 
get NED data for large areas? The seamless server is such a pain and it will 
take forever just for a single state.
or we could start a crowd source effort to download and share them.




On 17 Feb 2010, at 15:00 , Dave Hansen wrote:

> On Wed, 2010-02-17 at 16:05 -0500, Mike N. wrote:
>> Many thanks for this update - it has come in handy many times since the last 
>> update.   I was about to check with you to see if there was any way to 
>> update it, but you beat me to it!
> 
> It's just about at the point where I can automate it to rebuild them
> whenever Lambertus kicks off an update himself.  I'll let everyone know
> when I get this set up.
> 
> -- Dave
> 
> 
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