Thanks for the input Yeah, of course, true…
I'm going to need to discard the plot plan for time reasons though :/ Will focus on labeling instead, which feels more important.
Here's som progress (again just a section I'm afraid, will scan the whole thing when I have more time!). Played around a bit with textures, aiming for something more abstract than usually...
göteborg6.jpg
(And the colors turned out totally different to the last scan… another thing I will correct soon… maybe Tuesday.)