 To instruct new Pakistani students in the methods of archaeology , in early 1950 Wheeler ran a training excavation at Mohenjo @-@ daro ; there , he was joined by the British student Leslie Alcock , who spoke both Punjabi and <unk> and who was appointed a site supervisor by Wheeler . This excavation proved to be the only one for which Wheeler would not write and publish a full excavation report . Instead , he made reference to its findings in his book The Indus Civilization , published as part of the series The Cambridge History of India . His relationship with the Pakistani government had become strained , and so he declined to return to work for them for a third year . 
