Carta geológica de Angola.
Angola.Direcção Provincial dos Serviços de Geologia e Minas.
[Luanda] : Serviços de Geologia e Minas,
[1961?]-
Relief shown by contours.
Includes "Índice das folhas," index to adjoining sheets, and lengeda.
Accompanied by texts: Notícia explicativa.
Incomplete: Library holds only text for No.207, Gungo. 1971.
Geology