Some salt lakes of the northern rift zone
By: by Douglas Orr ... and D.R. Grantham ...
Contributors: Grantham, D. R. (Donald Robert), author
Series: Tanganyika territory. Geological survey. Short paper -- no. 8
Publisher: Printed by the government printer
Published: 1931
Place of publication: Dar Es Salaam
Language: eng
Number of pages: 23
Subjects: Lakes; Salt
Notes: Cover title.

At head of title: Geological survey department.