Exploration of the Valley of the Kings 16 tombs to the list, and explored several tombs that had already been discovered. During this time Georges Daressy explored KV9. When Gaston Maspero was reappointed to head the Egyptian Antiquities Service, the nature of the exploration of the valley changed again. Maspero appointed Howard Carter as the Chief Inspector of Upper Egypt, and the young man discovered several new tombs, and explored several others, clearing KV42 and KV20. Around the turn of the 20th century, the American Theodore M. Davis had the excavation permit in the valley, and his team (led mostly by Edward R. Ayrton) discovered several royal
Minor tombs in the Valley of the Kings are larger, multiple chambered tombs. These minor tombs served various purposes, some were intended for burials of lesser royalty or for private burials, some contained animal burials and others apparently never received a primary burial. In many cases these tombs also served secondary functions and later intrusive material has been found related to these secondary activities. While some of these tombs have been open since antiquity, the majority were discovered in the 19th and early 20th centuries during the height of exploration in the valley. Tombs in the Valley of the Kings are assigned a numerical "KV" (for Kings' Valley)