Large parts of the Herodian period quarry were unearthed in the excavations directed by Y. Zelinger and Rina Avner on behalf of the Israel Antiquities Authority in 1999–2003, prior to the construction of the building of the Menachem Begin Heritage Center at Ketef Hinnom. A report of this excavation is forthcoming in ‘Atiqot, the bulletin of the Israel Antiquities Authority.