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I'm using 20m contour intervals and each map tile looks like they'll be pretty big.  Not surprised considering each area is the size of an average sized state. 

The sections to crop off are pretty uniform.  Some start on the top, some on the side depending on where the major contour intervals first touch the side while going through Dem2Topo.  I guess I'll just have some 200m wide empty bands of contour data.

Incidentally from looking at the data from your Afghanistan map and one Ibycus sent me I determined the $250 version of the Afghanistan map uses the exact same data which is freely obtained from an Afghani government GIS site.  They don't even clean up some of the meaningless street labels.  Very glad I didn't pony up the dough for something I got for free.  Thanks again.

I'm attempting to make an Afghanistan topo map to overlay the road map already in GPSFileDepot's library.  I'm using using USGS SRTM 90m data.

My problem is once the data is processed by Dem2Topo and uploaded into MapEdit there is a thick horizontal straight line made up of all the contour lines that intersect the top edge of the tile.  I realize this is a known Dem2Topo issue but is there a quick way to edit these out?