well,see the numbers used (3,7,9,11,13,33,133,333,533,733)...and also see the other signs and symbols,letters (H,L,all-seeing eye,etc)
Sorry zallpall, but I don't see the masonic connection but it is an interesting map. Do you know or have any idea what part of the country the map depicts? Where did the map come from- family, friend, or just found? Did you get any info with the map/ stories told/ anything?
Maybe someone else will chime in here and recognize some of the symbols/ writings. idk
HH yelnif