http://www.ser-nmra.org/sites/ser-nmra.org/files/pubs/souv54n3.5.pdf (http://www.ser-nmra.org/sites/ser-nmra.org/files/pubs/souv54n3.5.pdf)
Found this link on another website.OK not N but some useful pictures.
I'm a North Easterner not a Southerner but there is some very nice stuff in there, thanks for the link Mike