This final report describes the study of an exceptionally well-preserved Iron Age building discovered in northern Burkina Faso, West Africa. The site of Oursi hu-beero, meaning "the big house of Oursi" in the locally spoken Songhay language, was excavated in 2000 and 2001 by a scientific team from the universities of Frankfurt am Main and Ouagadougou. It is situated in the middle of a group of settlement mounds, nearby the modern village of Oursi. In the year 2000, deep erosion gullies were threatening the architectural remains on the surface, which were provisionally dated to the 10th...