Also liked them.
I ripped a CIV1 SNES tiles some time ago, here are the link.
Luckily, they are also 16x16 size. But...
Yeah, this is the stock Earth map. East coast of Australia.
Pollution on water?
Interestingly, but on earlier versions of EXE these tiles shown as unexplored.
And it's only visible when entering city.
Separate names with a comma.