TerrainModIds

Terrain Type, Terrain Category Text and and Terrain Category Description from translation.csv
Terrain IDs and Terrain Category IDs from translation.csv
Terrain Category from terrain.json

Terrain ID	Terrain Type	Terrain Category ID	Terrain Category Text	Terrain Category Description
0	None
1	Grass	0	Fertile
2	Sand	1	Sand
3	Meadow	0	Fertile
4	Rock A	2	Rock
5	Snow	3	Snow
6	Seabed
7	Ice
8	Dirt
9	Swamp A
10	Desert A	1	Sand
11	Rock B	2	Rock
12	Sand B
13	Desert B	1	Sand
14	Desert C	1	Sand
15	Prairie	255
16	Scrub
17	Forest	0	Fertile
18	Swamp B
253	Unknown Terrain
254	Any Terrain