To solve this problem, an engineer by the name of John Golborne proposed a massive project to deepen it. Part of this involved building the Lang Dyke, a 4 metre thick training wall 2.4 kilometres in length to funnel the Clyde through a single narrow channel past the Dumbuck shallows. Completed in 1773, it helped create the deepwater channel which is still used to this day by ships sailing up the Clyde towards Glasgow.

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