Ahriman
Tyrant
(such as the side of a mesa, where the adjacent plot is *not* mesa)
That's be cool, it would be nice to have some fun on-land features. Maybe a mesa plot with a cavemouth in it or something.
I would say though that if on-land plots block improvements, they should have higher base tile-yields (like many of the features in FFH).
), and added new pictures for polar desert and the coast. (These hopefully should show more easily what the border terrain is, though polar desert and deep desert might still not stand out as much until compared on a full map.)