[Belgium 1:50,000].
Institut géographique militaire (Belgium)
Brussels : Institut géographique militaire,
1952-1956.
Each sheet named and numbered.
Relief shown by contours and spot heights.
Legend in French, Flemish and English.
"Type R."
Standard map series designation: [Série] M735 = [Series] M735 = [Reeks] M735.
Includes universal transverse mercator grid ticks, information on magnetic declination, and index to adjoining sheets.
"Longitudes and latitudes in the 1951 Unified European Geodetic System (International Spheroid)."
Various eds.
Incomplete: Graphic index in central GSGS, etc. file.