Ilmailukartta : ICAO 1:500 000 /
Finland.Maanmittaushallitus.Kartografinen toimisto.
International Civil Aviation Organization.
Finland.Ilmailuosasto.
Helsinki : Julkaissut Ilmailuosasto,
[1968-
Relief shown by gradient tints and spot heights.
Includes index to adjoining sheets.
Legend and list of abbreviations on verso.
Aeronautical charts