Tanganyika /
Tanzania.Department of Lands and Surveys.
Dar-es-Salaam : The Dept.,
1948-
Relief shown by contours and spot heights.
Includes sheet index and usually, value of survey diagram.
Includes various issues of some sheets. Some are headed Tanganyika Territory and some are missing the heading.
In upper left border: Africa 1:125,000.
Graphic index in central file.