Surveying Crossword

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Across
  1. 4. instrument used to measure angles in surveying
  2. 5. Lines on a map that show elevation changes
  3. 8. The science of measuring land and features
  4. 9. a vertical reference point in surveying
  5. 10. Used to establish accurate land measurements
  6. 11. a map that shows elevation and land features
Down
  1. 1. GPS stands for Global _______ System
  2. 2. tool used to measure distances in surveying
  3. 3. Process determining coordinates of a location
  4. 6. error that affects accuracy in surveying
  5. 7. a professional who measures land/elevation