Natural cement from Lake Malombe.
Contributors: Nyasaland Protectorate. Geological Survey Department.
Publisher: s.n.
Published: 1927
Place of publication: [Malawi
Language: eng
Subjects: Geology -- Malawi.; Cement.
Other titles: Nyasaland gazette.
Notes: Supplement to the Nyasaland gazette of 28th February, 1927.

At head of title: Nyasaland Protectorate, Geological Survey Department.

Signed at end: F. Dixey.

Caption title.