Plan of Neolithic shaft grave ... Piet de Jong ... PD 427 is lower illustration in publication. 5-283 5-283
Photo of plan and section of an early grave between the Metroon and the Great Drain. Deposit I 9:2. Neolithic shaft grave in Metroon drain cut ... PD 426 PD 427 AMS Horizontal (normal) ... June 1935
