The blockhouse dating from the Anglo-Boer War (1899-1902), situated on a portion of Portion 17 (a portion of Portion 1) of the farm Grasbult (now known as the remainder of Erf 327, Warrenton), in the Municipality of Warrenton, Division of Kimberley. Deed of Transfer T519/1949, dated 5 October 1949.
