Topographic Maps

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Across
  1. 3. appears as a series of U- or V-shaped contour marks
  2. 7. the side view of a landform
  3. 8. a sunken area on a map
  4. 9. appears as a series of concentric circles
Down
  1. 1. how much elevation there is between each line
  2. 2. when lines are close together, it is this kind of slope
  3. 4. type of contour indicated by thicker line
  4. 5. distance above sea level
  5. 6. the shape of land