Yemen and Somalia have been receiving some attention in the months since 9/11, so here are a few maps that I've developed, they still need lots more work. (If you are a commercial organisation you could buy the fully detailed GIS).

I am unfamiliar with the status of Somaliland and it's relationship with Somalia. My maps are concerned with the geographic details and do not imply anything about the political status of Somalia/Somaliland.

The colours that I normally use for contour polygons are chosen to suit lush, wet South East Asia and don't look right for dry barren Yemen. I have temporarily introduced a new set of contour colours which I thought might better represent this area. I haven't prepared a legend yet. To my surprise, North Somalia has some lush forested hills, so my contour colouring is misleading. It looks an interesting place for the adventurous traveller :-)

The map data for Somalia has quite a few errors and omissions. Contour polygons are a problem, especially with North Somalia. There are many errors in the original elevation data which makes it very difficult to convert contour-lines to polygons. There are also missing 'inland waters'. The roads, in the orginal database, which came from the US military, for the southern half of Somalia have been corrupted.