Hi John and Doves,Hi JMC, The Home Page for the maps you are enquiring about is at
http://www.maphistory.info/index.html
http://db.lib.unimelb.edu.au/mrsid-cgi/map_view.cgiUnfortunately, I can't remember who posted it either, but
I saved one image of the map showing Gog/Magog as belowAs indicated it is listed under the Walker Collection by William Hole
Hope this helps. God Bless EAR