Nigeria 1:100,000.
Nigeria.Federal Surveys.
Lagos : Federal Surveys, Nigeria,
1950-
Relief shown by contours and spot heights.
Terrain, vegetation, and cultural features shown by symbols.
Index to adjoining sheets in margins.
Includes various issues of some sheets.
Earlier sheets may be provisional edition or Series F.N. 15.
Geographic coverage complete in 338 sheets.
Interfiled with maps published by Directorate of Colonial Surveys.
Graphic index in central file.