A photograph over one of the diamond fields of Du Toit's Pan diamond mine. The rock or "blue dirt" is at first in rather large chunks. This field is three miles across and covered to a depth of 18 inches with blue ground.
A photograph of Miss Phillis Cohen and two other young girls. It shows the type of dress worn by children in the Cape Province. In the background, it can be see the type of fence used around some of the better homes in Kimberly.
A photograph of the type of engine used in cultivating the 14 inche layer of blue ground on Bultfontein floor. A harrow is shown in the background and a similar engine in the distance.
A photograph that shows the soil bank on the lower zone. It is reddish brown to a depth of 14 inches, chocolate color for about 4 inches and light-colored alluvium below. The shrub at the left is Herb. 213.