MDMD (10) Intro I had to redo this chapter within three days. My harddisc had crashed last Wednesday. There's a website under construction on this chapter at: http://www.itap.de/homes/otto/pynchon/md/mdindex.html http://www.itap.de/homes/otto/pynchon/md/md10.htm I have got the permission to reprint some pictures of the stones set by Mason & Dixon. Otto