This could be a case of a "cartographer's watermark", a purposeful error. http://en.wikipedia.org/wiki/Cartography#Cartographic_errors http://en.wikipedia.org/

This could be a case of a "cartographer's watermark", a purposeful error. http://en.wikipedia.org/wiki/Cartography#Cartographic_errors http://en.wikipedia.org/wiki/Cartography#Cartographic_errors also this: http://wiki.openstreetmap.org/wiki/Copyright_Easter_Eggs#Examples_from_Tele_Atlas_.28used_in_Google_Maps.29 http://wiki.openstreetmap.org/wiki/Copyright_Easter_Eggs#Exa...