Page 446, under Terrain Effects: the phrase "detailed in the Terrain Chapter" probably needs to read "detailed in the Terrain Effects table on page 291" which is part of the Vehicle Maker chapter.
Page 459: population the World Hex with Terrain Hexes: World Hex = Rough is not possible from mapping the world in the previous sequence.
Page 459: population the World Hex with Terrain Hexes: World Hex = Rough is not possible from mapping the world in the previous sequence.