Surveying Guide


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Origins

Surveying techniques have existed throughout much of recorded history. In ancient Egypt, when the Nile River overflowed its banks and washed out farm boundaries, boundaries were re-established through the application of simple geometry. The nearly perfect squareness and north-south orientation of the Great Pyramid of Giza, built c. 2700 BC, affirm the Egyptians' command of surveying.

  • The Egyptian land register (3000 BC).
  • Under the Romans, land surveyors were established as a profession, and they established the basic measurements under which the empire was divided, such as a tax register of conquered lands (300 AD).
  • In England, The Domesday Book by William the Conqueror (1086)
    • covered all England
    • contained names of the land owners, area, land quality, and specific information of the area's content and habitants.
    • did not include maps showing exact locations
  • Continental Europe's Cadastre was created in 1808
    • founded by Napoleon I (Bonaparte), "A good cadastre will be my greatest achievement in my civil law", Napoleon I
    • contained numbers of the parcels of land (or just land), land usage, names etc., and value of the land
    • 100 million parcels of land, triangle survey, measurable survey, map scale: 1:2500 and 1:1250
    • spread fast around Europe, but faced problems especially in Mediterranean countries, Balkan, and Eastern Europe due to cadastre upkeep costs and troubles.

A cadastre loses its value if register and maps are not constantly updated.

Large-scale surveys are a necessary pre-requisite to map-making. In the late 1780s, a team from the Ordnance Survey of Great Britain, originally under General William Roy began the Principal Triangulation of Britain using the specially built Ramsden theodolite.