The envelope contains correspondence between John Whitby Dixon (Conservator for the Humber) and the following individuals and organisations:

William Hammond Bartholomew, Engineer and General Manager of the Aire and Calder Navigation: regarding the Humber Commercial Dock [Immingham Dock].

Francis Berry, Clerk to the Humber Conservancy Commissioners: regarding a resolution of the Special Fiance Committee requesting the Conservator specify which items he considers essential, a letter from Henry Scarr regarding jetties installed at Haven Shipyard at Hessle, M.S. Survey of Captain Parsons, the insurance policy for the launch 'Spurn', and an inspection of Broomfleet Island.

Board of Trade, Assistant Secretary: regarding new lock pit at Grimsby

Arthur Ernest Butterfield, Engineer to the Humber Conservancy Commissioners: regarding propeller guards for the launch 'Spurn'.

Captain F. S. Wheeler: regarding tidal bore seen in the Humber.

A. W. White, Engineer for Hull Corporation: regarding dredging of the Old Harbour.