Geographical analysis of Rosettes

[Mark Knowles]

I have a different and very detailed map interpretation of the page. However some things are similar like what you call "Main City" I think represents Milan. What you call "Lake Water Spring" I think represents the lakes around Lake Lucerne.
You can probably glean my interpretation from my writings here and on ciphermysteries.com and the presentation I did at the Abbazia di Santi Nazzaro e Celso which you can download.