[OSM-talk] Contour lines

[Liz]

On Tue, 13 Apr 2010, Steve Hill wrote:
>  SRTM data may be useful for guestimating flowing water courses 
> that can't be otherwise surveyed,
> 
I can show you SRTM data that shows elevations in the flat plain at all the 
watercourses - it picks off the the tree tops which grown in the river bed and 
it happens on the Hay plain, one of the very large very very flat areas on 
Earth