Fourth land recording

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The Fourth Land Survey or Precision Survey is a survey of Austria carried out from 1896 to 1987 (with interruptions). It was the fourth and last of the great imperial land recordings of Austria (until 1918/19). The last previous survey of the monarchy was the Franzisco-Josephinische Landaufnahme , which was completed in 1887.

history

The Fourth Land Survey was carried out from 1896 to 1914 by the Austro-Hungarian Military Geography Institute, 1915 to 1918 by the Austro-Hungarian War Surveying System, from 1921 by the Federal Surveying Office and from 1923 by the Federal Office for Metrology and Surveying , interrupted during the Second World War because the surveying from 1938 until 1945 by the main surveying department XIV of the Reichsamt für Landesaufnahme der NS-Regime.

The survey was carried out from 1896 to 1959 on a scale of 1: 25,000, then only on a scale of 1: 50,000 to speed up the work. When the scale was changed in 1959, the map section was left out of the old scale.

The Fourth Land Recording was the last project of its kind to be started by Imperial Austria . Since then, the Federal Office for Metrology and Surveying has dealt with the management and updating of the map material relating to the Austrian territory.

Methods

Up until the 1950s, the survey of the country was carried out using terrestrial photogrammetry and supplementary topographical surveying, and later on it was switched to aerial photography , known as aerophotogrammetry .

See also

Web links