 As well as excavating the fort, Stein discovered a large refuse heap on the north and northeast slopes of the hill, which contained hundreds of discarded Tibetan military documents on paper and wood.The British Library holds 1,168 wooden documents under the pressmark IOL Tib N, and 321 paper documents under the pressmark Or.150000, found in the fort itself as well as the rubbish heap.Stein also recovered fragments of Khotanese, Uyghur and Sogdian documents from the site.