Topography

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Across
  1. 2. the portion of the earth's surface consisting of disintegrated rock and humus
  2. 5. a long, narrow area that is lower than surrounding uplands, hills, or mountains
  3. 6. any natural feature of the earth's surface, such as valleys and mountains
  4. 8. a steep place;declivity, as of a hill
  5. 9. a bowl-shaped hole in the ground formed by volcanic action, a meteoroid, or the like
  6. 10. the science or scientific method of making surveys of land
Down
  1. 1. the branch of science concerned with determining the exact position of geographical points and the shape and size of the earth
  2. 3. a feature in the landscape or an object in an area that is easily noticed or that serves as a guide, as to ships at sea or to travelers on a road
  3. 4. a section or area of natural scenery that can be seen from a single viewpoint
  4. 7. free from error;carefully precise