YGG

12345678910111213141516171819
Across
  1. 4. Tool used to determine direction and navigate
  2. 5. Land along the edge of a sea, lake, or river
  3. 7. Piece of land surrounded by water
  4. 10. Vast body of saltwater covering the earth's surface
  5. 13. Piece of land connected to the mainland by an isthmus
  6. 14. Natural elevation of the earth's surface
  7. 15. Natural flowing body of water
  8. 17. Facility where airplanes take off and land
  9. 18. Place where water flows over a steep drop
  10. 19. Large human settlement with infrastructure and amenities
Down
  1. 1. Area dominated by trees and other vegetation
  2. 2. Dry and often sandy region with limited vegetation
  3. 3. Official document required for international travel
  4. 4. Large geographical area, such as Africa or Asia
  5. 6. Slowly moving river of ice and snow
  6. 8. Landform that occurs when magma from the Earth's interior rises to the surface
  7. 9. Deep, narrow valley with steep sides
  8. 11. Nation with its own government and borders
  9. 12. Establishment providing lodging and amenities for travelers
  10. 16. Visual representation of an area, used for navigation