124 (No. 98 ECONOMIC CONDITIONS The Irrigation Service of the Egyptian Public Works Ministry exercises control over all matters con cerning irrigation in both Egypt and the Egyptian Sudan . For convenience of administration the Sudan has been divided into four inspectorates. These are the Blue Nile division, in which are theMakwa dam and the Gezira canalisation; the White Nile and Upper Nile division , which includes the White Nile dam and all dredging and draining works in the sudd district ; the Main Nile division, to which, among other_works, belongs the development of the basins in the Dongola province; and the Kassala and Tokar division , which includes the areas commanded by the Khor Gash and Khor Baraka . The permanent staff comprises a director -general, and, in addition to an inspector, each division has either a director of works or from two to four assistant directors . Temporary staffs engaged as required .

are ( c) Forestry The Anglo -Egyptian Sudan contains no real forest, that is, no moisture-conserving rain -forest comparable with the evergreen timber forests of western and central Equatorial Africa . There are, however, strips of “ gallery-forest ” in valleys and khors in some of the upland districts on the east and south, towards the Abyssinian highlands, and also along the Nile Congo watershed.

The Sudan regional area, including the Anglo Egyptian Sudan, is botanically the bush region lying between the virgin forests of the Congo and the West African coast to the south , and the Sahara desert zone to the north. Along many of the rivers there are large trees or gallery-forest; on the ironstone plateau open bush and here and there areas of bamboo ; in the low-lying parts papyrus swamps ; in the Bauchi hill countryand in Adamawa open grassland, and round Lake Chad , in Wadai, Darfur, and Kordofan, thin bush , scrub-covered country, and acacia bush . “ Bush "