So I loaded up SP2 the problems go all the way back to that, the SSI code.
Here are some screen shots. It's really hard to work with after playing MBT and WW2 after all these years, plus Dosbox is a little sluggy, and on my machine in full screen I could only see a quarter of the game interface and had to switch to windowed mode which is "tiny". But you can see where the problems originated:
Multi hex Wooden Buildings:
Multi hex Stone Buildings:
Multi hex Special Buildings (there were only 4):
Me just playing around...
I loaded up the first scenario in the editor as I entertained the idea of recreating theses, but dropped that idea in 5 seconds. It would be far much better and less time consuming just creating new ones from scratch. The terrain is so sparse it's unimaginative compared to what we have now. The time you spent going from SP2 in Dosbox back to your local env and recreating one scenario I am sure average joe could whip out 5 to 10 scenarios easily from scratch.