• NAD27 to NAD83(HARN) (36)

  EPSG:8553
  Area of use: United States (USA) - Illinois.
  

• NAD27 to WGS 84 (45)

  EPSG:8598
  Area of use: United States (USA) - Illinois.
  

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

  EPSG:7970
  Area of use: United States (USA)
  

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

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

• NAD83(HARN) to NAVD88 height (3)

  EPSG:9162
  Area of use: United States (USA)
  

• NAD27 to WGS 84 (5)

  EPSG:1174
  Area of use: United States (USA)
  

• NAD27 to NAD83 (1)

  EPSG:1241
  Area of use: United States (USA)
  

• NAD83(HARN) to NAVD88 height (7)

  EPSG:9166
  Area of use: United States (USA)
  

• NAD27 to WGS 84 (79)

  EPSG:15851
  Area of use: United States (USA)
  

• BLM zone 15N (US survey foot)

  EPSG:15915
  Area of use: United States (USA)
  

• BLM zone 16N (US survey foot)

  EPSG:15916
  Area of use: United States (USA)
  

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Type of results

• Coordinate reference systems (121)

•    Projected (119)
•    Compound (2)

• Operation (65)

•    Transformation (11)
•    Compound (4)
•    Conversion (50)

• Area (62)