While looking for a way to visually represent Dionysius’ understanding of the City of Rome I finally came across this website which I feel I should have known about much earlier. I had resorted to the pulling the large paper maps out of my hard copy of the original publication and marking each spot with a penny to get an idea of his coverage.
Those interested in the republican coin series will immediately recognize the utility of having a searchable map of urban topography. I give the screen shot above just to show you what can be done.
Check out Digital Augustan Rome!