• NAD27 to NAD83(HARN) (22)

  EPSG:8482
  Area of use: United States (USA) - South Dakota.
  

• MSL height to MSL height (ftUS)

  EPSG:8055
  Area of use: United States (USA) - onshore and offshore.
  

• MSL depth to MSL depth (ftUS)

  EPSG:8057
  Area of use: United States (USA) - onshore and offshore.
  

• NAD27 to WGS 84 (29)

  EPSG:8497
  Area of use: United States (USA) - Alaska including EEZ.
  

• US National Atlas Equal Area

  EPSG:19965
  Area of use: United States (USA) - onshore and offshore.
  

• Poolbeg height to Belfast height (1)

  EPSG:5449
  Area of use: United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
  

• ETRS89 to Belfast height (2)

  EPSG:7718
  Area of use: United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
  

• Old Hawaiian to WGS 84 (1)

  EPSG:8386
  Area of use: United States (USA) - Hawaii - main islands onshore.
  

• St. Lawrence Island to WGS 84 (1)

  EPSG:8388
  Area of use: United States (USA) - Alaska - St Lawrence Island.
  

• ETRS89 to Belfast height (1)

  EPSG:10022
  Area of use: United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
  

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