The Nuttall Encyclopedia
A canal across the NW. of Scotland, executed by Telford, for the passage of ships between the Atlantic and the North Sea, 60 m. long, 40 m. of which consist of natural lakes; begun 1803, finished 1823; cost £1,300,000; has 28 locks; was constructed for the benefit of coasting vessels to save the risks they encountered in the Pentland Firth.
Wood, James, ed. Entry for 'Caledonian Canal'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/c/caledonian-canal.html. Frederick Warne & Co Ltd. London. 1900.