Various postulates concerning the origin and purpose of the corbelled structures in the vicinity of the Assegaaibos River on the farms Farmerfield, Glenfield and Springfield, Eastern Cape Province (previously Albany District) have been formulated since their discovery in 1962. For the largest of these structures on the farm Glenfield, each of these interpretations is elaborated upon, the traditions of each case investigated and the merits and demerits of each postulate presented.
AFRIKAANS: Verskeie stellings ten opsigte van die oorsprong en doel van die karbeelstrukture in die omgewing van
die Assegaaibosrivier op die plase Farmerfield, Glenfield en Springfield, Oos-Kaap provinsie (voorheen Albany distrik) is sedert hul ontdekking in 1962 geformuleer. Elk van die verduidelikings word vir die geval van die grootste van hierdie strukture op die plaas Glenfield op uitgebrei, die tradisies daaraan ondersoek en die meriete daarvan blootgelê.