| | | |save for a | | | | |narrow channel, | | | | |45 yards broad | | | | |and 65 feet | | | | |deep, formed by | | | | |erosion. | | | | |(Gregory.) | | | | | | Atiri | 7| 50 | |The obstructions| Rapid | | _80_ | |to navigation | | | | |consist of 2 | | | | |“gates” about 1½| | | | |miles apart; of | | | | |these the lower | | | | |gate presents no| | | | |difficulty. It | | | | |is about 300 | | | | |yards long, and | | | | |steamers are | | | | |able to steam up| | | | |through it at | | | | |“half Nile” | | | | |without | | | | |unloading. The | | | | |upper “gate” is | | | | |more troublesome| | | | |to pass, the | | | | |channel being | | | | |obstructed by a | | | | |great barrier of| | | | |rocks which | | | | |stretch quite | | | | |200 yards across| | | | |the river, | | | | |leaving at “low | | | | |Nile” only a | | | | |narrow gap | | | | |towards the | | | | |western bank. At| | | | |“high Nile” | | | | |another channel |