An Act for Amending and Rendering More Effectual an Act Made in the Fifth Year of the Reign of His Present Majesty, Intituled, "An Act for Draining and Improving Certain Low, Marsh, and Fen Lands Lying between Boston Haven and Bourne, in the Parts of Kesteven and Holland, in the County of Lincoln;" and for Improving the Navigation through the Said Lands [electronic resource]