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Old Vertical Control Network
  • FIRST ORDER CLASS II, with a length of 1952 km
  • SECOND ORDER CLASS I, with a length of 13002 km
  • 2668 points, 54 lines
  • Reference: Jeddah, mean sea level, 1970
  • It was established in 1966-1971
  • current situation:
  •  383 points, 14.35% present
  •  2285 points, 85.65% destroyed



 

 

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