• 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.
  

• 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.
  

• California CS27 zone VII

  EPSG:10407
  Area of use: United States (USA) - California - Los Angeles county.
  

• St. Paul Island to WGS 84 (1)

  EPSG:8390
  Area of use: United States (USA) - Alaska - Pribilof Islands - St Paul Island.
  

• St. George Island to WGS 84 (1)

  EPSG:8392
  Area of use: United States (USA) - Alaska - Pribilof Islands - St George Island.
  

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