Papers accumulated by the Humber Conservancy Board in connection with the passage of the Bill through Parliament during the 1924 Session: a bill to authorise the Undertakers of the Aire and Calder Navigation to construct training walls in the rivers Humber and Trent at Trent Falls, to provide for payment by the Humber Conservancy Board of the cost of constructing the said training walls and for other purposes.

The seriesconsists of three items: a copy of the Act [C DPD/1/3/4/13/1], a file of papers created by the Humber Conservancy Board [C DPD/1/3/4/13/2], and a copy of a chart showing the progress of improvements as of February 1931 [C DPD/1/3/4/13/3].