The eastern extension of the Lupa goldfied (Ipogola-Sengambi-Shoga) - Grantham , Donald Robert (Dar-es-Salaam : Government Printer, 1933)
At head ot title: Geological survey department, Tanganyika territory .
Includes bibliographical references ( p. 8-9)
Keywords: Gold -- Tanganyika; Geology -- Tanganyika