sentences:  It remained in this state in 1919, but by 1939 had been reduced by half.A small part of it was still evident in 1985, but is no longer so.Despite its having been closed for over 100 years, the Environmental Statement for the construction on a new junction on the M8 motorway noted that the course of the canal was still clearly visible to the eastern edge of the shipyard site, and concluded that much of it probably still existed.