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Reference System
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Spatial Reference System
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Raster Data
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**GDA94**

| Datum: The Geocentric Datum of Australia 1994 (GDA94)
| Projection: Transverse Mercator
| Zones: 49, 50, 51, 52, 53, 54, 55, 56 and 57
| Zone Width: 6 degrees
| Longitude of Origin: Central Meridian of each zone
| Latitude of Origin: Equator (zero degrees)
| False Easting: 500 000
| False Northing: 10 000 000
| Central Scale Factor: 0.9996
| Units: Metre
| Ellipsoid: Geodetic Reference System 1980 (GRS80)

**GDA2020**

| Datum: The Geocentric Datum of Australia 2020 (GDA2020)
| Projection: Transverse Mercator
| Zones: 49, 50, 51, 52, 53, 54, 55, 56 and 57
| Zone Width: 6 degrees
| Longitude of Origin: Central Meridian of each zone
| Latitude of Origin: Equator (zero degrees)
| False Easting: 500 000
| False Northing: 10 000 000
| Central Scale Factor: 0.9996
| Units: Metre
| Ellipsoid: Geodetic Reference System 1980 (GRS80)

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Temporal Reference System
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Gregorian calendar

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Reference System Scope
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The spatial objects and temporal collection periods for the Trees dataset.