THE GRAND SLUICE town as far as eye could see, an Act of Parliament was passed to empower Boston to cut the Witham channel straight and set to work on a new sluice. This "Grand Sluice," designed by Langley Edwardes, had its foundation carried down twenty feet, on to a bed of stiff clay. Here, just as, near the old Skirbeck sluice, where Hammond beck enters the haven, at a depth of sixteen feet sound gravel and soil was met with, in which trees had grown; and at Skirbeck it is said that a smith's forge, with all its tools, horseshoes, etc., complete, was found at that depth below the surface, showing how much silt had been deposited within no great number of years. The foundation stone of the present Grand sluice was laid by Charles Amcotts, then Member of Parliament and Mayor of Boston, in 1764, and opened two years later in the presence of a concourse of some ten thousand people. He died in 1777, and the Amcotts family in the male line died with him. In Jacobean times much good embankment work under Dutch engineers had been begun, and had met with fierce opposition from the Fen men, and the same spirit was still in existence a hundred and fifty years later, for when, in 1767, an Act was passed for the enclosure of Holland, the works gave rise to the most determined and fierce riots which were carried to the most unscrupulous length of murder, cattle maiming, and destruction of valuable property, and lasted from 1770 to 1773. But at length common sense prevailed, and a very large and fertile tract of land to the south-east of Boston was acquired, which helped again to raise the fortunes of the town to prosperity. Following on this in 1802 a still larger area was reclaimed on the other side of Boston in the East, West, and Wildmore Fens. But, as in all low-lying lands near the coast which are below the level of high-water mark, constant look-out has to be kept even now, both to prevent the irruption of the sea and the flooding of the land from storm-water not getting away quickly enough.
The Louth Abbey "Chronicle," a most interesting document, extending from 1066 to the death of Henry IV., 1413, records disastrous floods in the Marsh in 1253 and 1315, and a bad outbreak of cattle plague in 1321. From other sources we have notice of a great flood at Boston in 1285; another in 'Holland,' 1467; and again at Boston in 1571 a violent tempest, with rain, wind, and high tide combining, did enormous damage. Sixty vessels were wrecked between Newcastle and Boston,