http://b4hntuy3fimfh2227vf4f74emnya7p35i5brtqujs6leqvtclfwvjbqd.onion/doc/physics/diamonds-crookes/The%20Project%20Gutenberg%20eBook%20of%20Diamonds,%20by%20William%20Crookes..html
They are situated in latitude
28° 43´ South and longitude 24° 46´ East.
Kimberley is practically in the centre of the
present diamond-producing area. Besides
these mines others of some importance of the
Orange River Colony are known as Jaggersfontein
and Koffyfontein, Lace, and Monastery,
besides two new mines, the Roberts-Victor
and the Voorspoed.