doubt an attempt to convince tomb robbers to look no further. A secondary access shaft led to a vaulted chamber and a deep well shaft. This may have been an aspect of the cult of Osiris, although it may have been to find the water table. A passage led northwards, past another lateral chamber and turned westwards. This led to an antechamber and vaulted burial chamber, with a sidechamber to the south. The burial chamber was encircled by a unique series of passages that may have reference to the birth of Osiris. A large sarcophagus was found within the burial chamber; it is larger than the doorway and the tunnels, showing that it was put in position when the chamber was being constructed and it was open to the sky. The limestone outer cladding of the pyramid was removed by Rameses II so he could re-use the stone for his own use. He left inscriptions that he had done so. See also Twelfth Dynasty of Egypt family tree List of Egyptian pyramids List of megalithic sites Notes References Sources Further reading W. Grajetzki, The Middle Kingdom of Ancient Egypt: History, Archaeology and Society, Duckworth, London 2006 , 48-51 External links Senusret (II) Khakheperre 19th-century BC deaths 19th-century BC Pharaohs Pharaohs of the Twelfth Dynasty of Egypt Year of birth unknown