This paper looks at a set of documents produced in the early 1950s in the Gold Coast to establish land boundaries in a region and to contribute to the crystallization of customary law for future reference and use. The material is placed in a longer historical flow and seen as one of the results of transformations in the metropole, in the colony, and in their relationship over the first decades of the century, and as a significant landmark collection that has been used in land transactions ever since. The analysis pleads for treating the archives in an ethnographic and not just in an extractive manner (