[3] The menhir or stelae at the site, "32 of which are engraved with enigmatic symbols, notably swords," likely mark a large, prehistoric burial complex.

[4] A German ethnographic expedition had visited the site in April 1935, and had found at one hour's journey to the south of the caravan camp the stone monoliths with sword symbol, which had been seen earlier by Neuville and Père Azaïs.

Because of a unique production process that uses what are called “tranchet blows”, Tiya tools might also belong to the same time span as these other two sites.

Along with the stelae in the Hadiya Zone, the structures are identified by local residents as Yegragn Dingay or "Gran's stone", in reference to Imam Ahmad ibn Ibrahim al-Ghazi (Ahmad "Gurey" or "Gran"), ruler of the Adal Sultanate.

In the latter area, there are a number of anthropomorphic and phallic stelae, which are associated with graves of rectangular shape flanked by vertical slabs.

Second, archaeologists have been preoccupied with reconstructing ethnic histories through oral historical accounts, yet these are unavailable or uninformative in many cases.