My Largest Angustiden Yet and a Bunch of Pieces.

I figured it was about time someone posted again in the Charleston County trip reports.  Hours and hours of searching netted a bunch of tantalizing pieces of large teeth.  The chunks that look like rocks in the picture are indeed only a small portion of some huge teeth.  Then I spotted what looked like a rock which was shaped a little like a huge tooth root.  I carefully began digging and soon exposed some enamel.  I kept waiting to expose a big broken edge but the tooth ended up being just about complete with a few small nicks and the enamel in decent shape.  It is over 4" on the diagonal.  I know that bigger teeth are found in better shape, but this isn't to shabby.  I originally thought it was a meg, but the votes are in that it is an Angustiden.  I looked up some more pictures of both on the web and now tend to agree.  The big size threw me!  Thanks for the identification help guys.  I would rather find a huge Angustiden than a huge meg anyday!  I want to make sure it stays in one piece.  Does anyone know the best way to stabilize it?