ARF DAY

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Across
  1. 4. an item that has been previously owner or used by someone else
  2. 6. a connected sequence of line segments defined as a single oblect
  3. 7. an imaginary line on the ground surface joining the points of equal elevation
  4. 9. 66 feet
  5. 10. a commercial computer aided design and drafting software application
  6. 13. a line connecting the lowest points along a valley or river
  7. 14. where do you work
  8. 18. what does the field crew drive to a job
  9. 19. a surveying method used to establish a framework of control points by measuring the lengths and direction of a series of connected lines
  10. 21. who Wile E. Coyote chased
Down
  1. 1. straight line from the center to the circumference of a circle or sphere
  2. 2. primarily used to establish a true north
  3. 3. a standard point of reference against which things may be compared or assessed
  4. 4. a doubly reflecting navigation instrument
  5. 5. appearing coolly unconcerned or indifferent
  6. 8. where do we live
  7. 11. 16.5 feet
  8. 12. a geographic that specifies a points north-south position on earth
  9. 15. 43,560 square feet
  10. 16. a height above a given level, especially sea level
  11. 17. the angular distance pf a place east of west of the meridian
  12. 20. what department is hosting todays ARF