From Geoscience Australia
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The Adjustment of the Australian Leveling Survey 1970-1971

Created 17/10/2025

Updated 17/10/2025

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From the commencement of European settlement onward, numerous levelling surveys have been made in Australia on various datums, and although professional surveyors from time to time advocated a national height datum based on mean sea level, no active move toward a national system of levels was undertaken until after the creation of a National Mapping Council in 1945.

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Additional Info

Field Value
Title The Adjustment of the Australian Leveling Survey 1970-1971
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/610c5bf2-27fa-4276-bbe1-08c513bb0141
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 20/04/2018
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        110.0,
        -44.0
      ],
      [
        156.0,
        -44.0
      ],
      [
        156.0,
        -9.0
      ],
      [
        110.0,
        -9.0
      ],
      [
        110.0,
        -44.0
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "The Adjustment of the Australian Leveling Survey 1970-1971". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/the-adjustment-of-the-australian-leveling-survey-1970-1971