ABSTRACT
ABSTRACT: The main two tributaries of the Nile, Atbara and the Blue Nile, when in flood carry along, solid matter which has been washed by the rains off the catchment area, and transported by the Nile water.
ABSTRACT: The main two tributaries of the Nile, Atbara and the Blue Nile, when in flood carry along, solid matter which has been washed by the rains off the catchment area, and transported by the Nile water.