[6]From information given by Mr. Harding King.
[7]At Abu Radham a dark layer of purple iron ochre seems to have been the cause of the investigation.
[8]For further details, see my paper “Petroleum: Its occurrence and origin,” Cairo Scientific Journal, No. 48, pp. 205-218.
[9]“The Natural History of Igneous Rocks,” p. 23.
SHORT CATALOGUE
OF THE
MAPS, PLANS, AND PUBLICATIONS
ISSUED BY THE
SURVEY DEPARTMENT, MINISTRY OF FINANCE, EGYPT.
MAPS AND PLANS.
The following is a general list of the maps and plans offered for sale by the Survey Department. A booklet giving details of all sheets printed may be obtained free, on application either personally or by letter at the Headquarters of the Department, Giza (Mudiria), or at the Geological Museum, Public Works Ministry Gardens, Cairo, where all maps and plans are for sale, or through any bookseller.