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A photograph showing detail of a papyrus swamp with echinochloa in the back.

Detail of soil - Kizerawe, about 4 ft. red on top and a white soil below, weathered into ridges. Here I took a sample of the red over layer at a dept of about 2 ft. and the white soil at a depth of almost six or seven feet. These samples quite…

Detail of soil bank. Surface 6 [inches] to 1 ft. darker, a little is shown in the front. .. Typical soils are not as sandy as this. [Shantz travel journal, Mar. 30, 1920]