• NAD27 to NAD83(HARN) (5)

  EPSG:8464
  Area of use: United States (USA) - Colorado.
  

• NAD27 to WGS 84 (42)

  EPSG:8595
  Area of use: United States (USA) - Colorado.
  

• NGVD29 height (ftUS) to NAVD88 height (1)

  EPSG:7973
  Area of use: United States (USA)
  

• NGVD29 height (ftUS) to NAVD88 height (2)

  EPSG:7974
  Area of use: United States (USA)
  

• Search deprecated (1)

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Type of results

• Coordinate reference systems (1771)

•    Projected (1718)
•    Geodetic (12)
•    Geodetic 3D (13)
•    Geocentric (12)
•    Vertical (7)
•    Compound (9)

• Operation (76)

•    Transformation (47)
•    Compound (5)
•    Conversion (24)

• Datum (10)

•    Vertical (2)
•    Geodetic (8)

• Area (33)