Heights above sea-level in feet. 



Low water in the Zambesi at Livingstone Drift, July 1905 2905'6 



Crest of the Eainbow Fall ... about 2885 



Flood-level in the gorge under the Bridge 2577 



Low water in the gorge under the Bridge 2521 



Low water in the gorge at the edge of the map 2433 



Surface of ground on the left bank of the Maraniba above the railway 2935-40 



Surface of ground on the east side of the gorge, 1 mile due south of the Falls ... 2885-86 



