In May 2020, a salvage excavation was conducted in Na h al Zanoa h , near the Bet Shemesh bypass road (Road 3855; Permit No. A-8750; map ref. Area A—200882/625429, Area B—200480/627300), prior to the installation of a sewage pipe. The excavation, undertaken on behalf of the Israel Antiquities Authority and funded by the Mei Shemesh Water Corporation through the contractor David Eckerstein, was directed by N. Benenstein, with the assistance of N. Nehama (administration), S. Halevi (field photography and photogrammetry), I. Lidsky-Reznikov (finds drawing), D. Gazit (studio photography), H. Kupershmidt (metallurgical laboratory), O. Zakaim (plan), G. Goldenberg (metal detection) and J. Roskin (geomorphology), as well as T. Kanias, A. Shadman and Y. Zelinger.
Nicolas Benenstein (2022) studied this question.