This is (part of?) a hammerstone found below the floor in WSDA1. It is grey basalt, 1082 g, 11.6 cm long, 9.1 cm wide, 6.1 cm thick. It was found at 2136.88 mASL, 2.25 m from the NE baulk, 8.00 m from the SE baulk. Retouch: Patination: