Across
1
Deep narrow valley with steep sides
4
Large natural elevation of earth
5
Distance east or west of prime meridian
6
Steep rock face at edge of land
9
Line dividing two countries
Down
2
Body of water surrounded by land
3
Mountain that can erupt with lava
4
Visual representation of an area
7
Region near the equator
8
Total number of people in an area
10
Land surrounded by water
11
Large area covered with trees