The report of William Elstobb, land surveyor and engineer, on the state of the navigation between Clayhithe and Denver sluice, September 28, 1778. To which will be added, an appendix, containing some facts ... relative to ... the Bedford Level Corporation. Published by order of the Cambridge Committee. - Elstobb, William, (printed by F. Hodson; and sold by T. & J. Merrill; B. White; J. Wilkie; and Richardson and Urquhart, London; Mr. Hollingworth, Lynn; and Mr. Deck, Bury,, 1779)