The Sands and Shoals in Lin-Deeps.
The Sonk.
THe Sonk is a Sand which is nigh the South end of Burnham-flats, and lyeth to the northward of Chap∣pel-land, and is dry at low-water; you may sayl about it on both sides.
Dousings.
The Dousings is a Sand which lyeth on the North∣side of Burnham-flats; it beareth from Wells North, half westerly, 21 miles; the South-side is steep too, where you will have 19 fathom not far from it, and on the North side 9 and 10 fathom.
Inner Dousings.
This Sand lyeth from St. Edmonds, N. W. by North 13 miles; and from Skegness N.N.E. 10 miles.
Dogs-head.
Dogs-head is a small Sand which lyeth on the North side of Wilgriph, about a mile from the shore.
Boston-Knock,
Is a Sand which lyeth off the Point of Legerness, which falleth dry at low-water; between it and the Land there is but two fathom; but it floweth there∣about five fathom up and down. When Legerness bears W. N. W. from you, then go on South-west through between the Knock and a Shoal (which shoot∣eth off from the Westward of Legerness) until you can get again the depth of six or seven fathom.