Carta de Angola, levantamiento aerofotogramétrico /
Portugal.Missão Geográfica de Angola.
Missão Hidrográfica de Angola e S. Tomé.
Angola.Serviços Geográficos e Cadastrais.
Portugal.Junta de Investigações do Ultramar.
[Lisbon] : Ministério do Ultramar,
1950-
Relief shown by contours and spot heights.
Some earlier sheets prepared by Junta de Investigações do Ultramar.
Includes index to adjoining sheets.
Graphic index in central file.