Blyth Harbour Commission Dredging Works for Tidal Basin
Set of plans of dredging work needed for creation of tidal basin in Upper Harbour. 155a is master plan and has attached typewritten explanatory note. 155 b,c, and d are detailed plans for dredging in 1914, 1915, and 1916. Scale 1 to 2,500. Civil Engineers: J. Watt Sandeman & Son, dated Jan 1914 and Mar 1914.