Talk:Half-graben

Karst Graben
I can find nothing in GoogleScholar on 'karst graben' as a synonym for 'half-graben', and almost nothing in GoogleBooks, so I have removed this from the lead section - I've never heard the term myself, but the lack of sources is the important thing here. Mikenorton (talk) 16:33, 27 September 2012 (UTC)