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Isoclinic lines for North Australia and East Indies

Created 16/10/2025

Updated 16/10/2025

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The following notes are intended to accompany Map No.1049, which has the same title as that given above. This map was prepared at the request of the Survey Directorate, L.H.Q., Melbourne, Department of the Army, and is primarily for the use of the Director of Survey, Advanced L.H.Q., Brisbane. The map is termed "provisional" since it is based on only a portion of the data available and the reductions have been made by approximate methods. Nevertheless since use has been made of that portion of the data which has been most recently observed it is considered the most reliable for most practical purposes. For some time work has been proceeding on a final map showing the distribution of magnetic inclination over Australia and the surrounding areas, and this map will be available in the near future.

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Additional Info

Field Value
Title Isoclinic lines for North Australia and East Indies
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/f6625184-cee3-43c2-9bdf-3e62ad927be0
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 20/04/2018
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        100.0,
        -30.0
      ],
      [
        170.0,
        -30.0
      ],
      [
        170.0,
        15.0
      ],
      [
        100.0,
        15.0
      ],
      [
        100.0,
        -30.0
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Isoclinic lines for North Australia and East Indies". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/isoclinic-lines-for-north-australia-and-east-indies