Valley of the Kings French Consul-General and a great rival of Belzoni and Salt. When Gaston Maspero was reappointed as head of the Egyptian Antiquities Service, the nature of the exploration of the valley changed again. Maspero appointed English archaeologist 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 start of the 20th century, American explorer Theodore M. Davis had the excavation permit in the valley. His team (led mostly by Edward R. Ayrton) discovered several royal and non-royal tombs (including KV43, KV46 and KV57). In
Valley of the Kings that there are at least seven active flood stream beds leading down into the central area of the valley. This central area appears to have been flooded at the end of the Eighteenth Dynasty, with several tombs buried under metres of debris. The tombs KV63, KV62, and KV55 are dug into the actual wadi bedrock rather than the debris, showing that the level of the valley was five meters below its present level. After this event later dynasties leveled the floor of the valley, making the floods deposit their load further down the valley, and the buried tombs were forgotten