Terrain (CivRev)

Terrain refers to the physical features of the map in Civilization Revolution. Each tile has its own terrain type, which determines the yields it provides to the city that works it and the combat modifiers it applies to ground units that occupy it.
== List of terrain ==
Terrain	Base yield 	Yield modifiers	Combat modifiers
 	+1 Trade 	
* +2 Trade with Trading Post
* +1 Food and Trade with Egyptian Ancient Era bonus	-
 	+2 Production	
* +1 Production with German Medieval Era bonus	+50% Defense
 	+2 Food 	- 	-
 	+1 Production	
* +2 Production with Workshop
* +1 Production with English Industrial Era bonus
* +1 Production with Spanish Modern Era bonus	+50% Attack and Defense
* 	+1 Production	
* +4 Production with Iron Mine
* +2 Production with Mongolian Industrial Era bonus	-
 	+1 Food 	
* +1 Food with Granary
* +1 Food with Russian Ancient Era bonus
* +1 Food with American Industrial Era bonus	-
 	- 	
* +1 Food to adjacent Grassland and Plains tiles with Irrigation
* +1 Food to adjacent Sea tiles with Harbor	-50% Attack for attacking unit, +50% Defense for defending unit
** 	+2 Trade 	
* +1 Food with Harbor
* +1 Food with Japanese Ancient Era bonus
* +1 Food with Greek Modern Era bonus	-
* Mountain tiles are impassable to all units except Fighters and Bombers.
** Deep (dark-colored) Sea tiles are impassable to Galleys.
== See also ==
* Terrain in other games