At head of title: Republic of Egypt. Ministry of Commerce and Industry. Mines and Quarries Dept. Geological Survey.
Added t.p. and summary in Arabic.
Bibliography: p. 27.
There are no comments on this title.
At head of title: Republic of Egypt. Ministry of Commerce and Industry. Mines and Quarries Dept. Geological Survey.
Added t.p. and summary in Arabic.
Bibliography: p. 27.
There are no comments on this title.