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9 GIS Data Collection - Dawn Wright

9 GIS Data Collection - Dawn Wright

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9.2.2.1 Surveying Ground surveying is based on the principle that the 3-D location of any point can be determined by measuring angles and distances from other known points. Traditional equipment like transits and theodolites have been replaced by total stations that can measure both angles and distances to an accuracy of 1 mm

  Data, Collection, Equipment, Surveying, 9 gis data collection

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