( 87 ) 



gravelly loam, abounding with fprings, that are conftant 

 through the year, and afford an excellent fupply of ivater to 

 the adjacent marfhes in the dryeft feafons 



Werterly towards CHADWELL, LITTLE and GREYS 

 THURROCK, the higher country is equally broken into 

 hills, and the low land or marfiies, are formed of a deep 

 rich fandy loam upon a filty clay or fea ouze, and are well 

 fupplied with water through the dryefl: feafons. At the 

 depth of from ten to fifteen feet below the foil at Greys 

 Thurrock, a ftratum of chalk is found of the fame quality 

 with that on the oppofite tide of the Thames, at Gravefend. 

 The furface and ftrucliire of the highland and marfh country 

 is nearly the fame through WEST THURROCK and 

 PURFLEET; but afcending thence eaft towards STIF- 

 FORD, and thence northerly to ORSETT and BULVAN, 

 a light gravelly foil upon a gravel, a brown tender clay, a 

 chalk and a brick earth. 



The commons and low grounds in thefe parifhes, called 

 the fen, though ftrong good land, and in general affording 

 very good herbage, are, from their being fubjedl to frequent 

 inundations from the higher country, found to communi- 

 cate the rot in fheep, and at fuch times very much to 

 injure the cattle that depafture upon them. 



Proceeding thence foutherly to CHILDERTON, 

 GREAT HORNDON, INGRAVE, and HLTTON, 



a lio-ht tender foil, upon wliich turnips are partially cultiva- 

 ted, and a firm ftronger foil of a good itaple, upon a brown 

 and a yellow or a woodland clay; the whole affording ex- 

 cellent pafture, and very guod corn land. ^ CrolTing the 

 great road, and proceeding thence weflerly through SHEN- 

 FIELD, and thence foutherly to SOUTHWEALD, an 



hazel 



