(1823-12-10) Bonamy, J; Great Britain. Army. Royal Engineers
The eastern border of the territory is shown by the by the Great Brak River, from its confluence in the south with the Great Fish River, to the point at which it reaches the Ysterberg Peak in the north. The western border is formed by the Seekoei River. There is an inset of a portion of the Seekoei River north of the Agter-Renosterberg.