sentences:  Using Bentonite matting, they relined the section which leaked so badly and at Easter 2015 the first of phase 2 were filled with water for the first time since 1904.Another section was expected to be rewatered in 2016, and a bid made for Heritage Lottery Funding to speed the completion of phase 2.When James Barnes was planning the route for the Grand Junction Canal, he was faced with the problem of crossing the Chiltern Hills.