The operation of the reservoir when used for irrigation from the floods... Closing the openings... The effect on the flood of the amount of absorption... Comparison of discharges in the examples of... Probable discharge when the flood is high... Discharges and their comparison... Table of discharges... The most probable discharge... The effect of the Sennar Dam on the levels... Graphs... Protection from floods... Effect on the Aswan gauge (its shape)... The operation of the reservoir when used for storage... Protective dams on the Rosetta branch and Damietta... Evaporation and absorption... The effect on the lower levels... Graphs... Reservoirs... Effect on the Qena gauge... The effect on the Aswan gauge (shape)... Directorate of... Agriculture... Health conditions... General view... The second period of the year... Comparison... Utilization of the reservoir in relation to the basin... The flood channel... Chapter Four... The Blue Nile Irrigation Project and the Blue Nile Dam (at Sennar)... Chapter One... General statement... Proposals of Mr. Garstin... Preliminary studies... Description of the island... Sudan's loan in... Stopping the work due to... Chapter Six... The future function of the White Nile reservoir...