Observations resulting from surveys, levels and views made on the East Fen, The low Grounds and Fens adjoining thereto, belonging to the Soke of Bolingbroke, East Holland, and the Level Towns; with a report of the causes of their present drowned state and condition: also schemes for the drainage thereof, and Estimates of the Expence of executing those Schemes, &c. By John Grundy of Spalding, Lincolnshire, Engineer. 1774.

Date:

1774?]