PART IV. AGRICULTURE. 5219 



kind, fig. 4., from ten pounds to twenty-five pounds, per rood 

 of thirty-two yards. The barrier recommended for soft grounds, 

 which, at first gaining from the sea, will not bear the weight of 

 a wall, that is the one composed of brushwood, or stake and 

 rice, will cost from sixpence to five shillings per lineal foot. 



I 



SECT. VII. OF THE MANAGEMENT OF LAND GAINED FROM 



THE SEA, 



Th e principal difficulty that can occur in any situation will 

 be, to keep off the water of the rivulets or rivers that may come 

 from the surrounding lands, and to deliver to the sea the sur- 

 face water collected from the land gained ; the next considera- 

 tion is to clear this land of surface incumbrances. 



It will frequently happen, that the ground to be embanked 

 is intersected by a river. This is the most expensive and diffi- 

 cult case that can occur; but it is only necessary to carry an 

 embankment along each side of it to the sea ; and there, where 

 it intersects the other line of embankment, to place a flood- 

 gate*, which shall prevent the tide from entering, except when 

 it may be necessary to admit vessels, and which shall allow the 



* Such a gate may be seen at Lynn, Norfolk. 



