 Limited excavation has been conducted in this area.The ruins are now protected within the borders of Chaco Culture National Historical Park.Archeologists Lekson, Windes and McKenna place the construction of Kin Nahasbas (kin nahas bas) in the late 9th century along with early construction work on Pueblo Bonito, Peñasco Blanco, Una Vida, the Padilla Well Great House, the East Community, Pueblo Pintado and Casa del Rio at the extreme western end of the Chaco core.