Across
1
Ridge of rock or coral near the surface
3
City that is seat of government
6
Low-lying land surrounded by higher ground
7
Body of water surrounded by land
11
Raised area of land, smaller than a mountain
Down
2
Wearing away of land by water or wind
4
Visual representation of an area
5
Low area between mountains
8
Large slow-moving mass of ice
9
Flat elevated area of land
10
Cold treeless Arctic plain