Exploration of the Valley of the Kings and non-royal tombs (including KV43, KV46 and KV57). In 1907 they discovered the possible Amarna Period cache in KV55. After finding what they thought was all that remained of the burial of Tutankhamun (items recovered from KV54 and KV58), it was announced that the valley was completely explored and no further burials were to be found, in Davis's 1912 publication, 'The Tombs of Harmhabi" and "Touatânkhamanou'; the book closes with the comment, "I fear that the Valley of Kings is now exhausted." After Davis's death early in 1915 Lord Carnarvon acquired the concession to excavate the valley and he employed
Minor tombs in the Valley of the Kings sons. The identity of the intended princly occupant of this tomb remains unknown but it has been suggested that this might have been the later Ramesses IV. Burton's clearance of the tomb yielded no material of New Kingdom date and therefore it has been supposed that the tomb was never used for a burial. Later intrusive material from Byzantine times suggest the tomb was adapted as a Christian chapel by Copts. KV12 is located in the main valley and has been open since antiquity. It was cleared by Ernest Harold Jones in 1908-09 for Davis, while in 1920-21 Howard Carter