sentences:  Just to the north of Nantwich is the basin where the Chester Canal terminated before the building of the Birmingham and Liverpool Junction Canal to Autherley Junction.This was a narrow canal, and so the locks and bridge holes are again wide.The Birmingham and Liverpool Junction Canal was not opened until 1835, by which time canals were not built to follow the contours as the early ones had done, and the route consists of fairly straight sections with locks grouped into flights.