SOME ESSEX WEI.L-SECTIONS. 55 



Pitsea. — Raihvay Stalion. Be/ween the old and the new lines, 



1889. 

 42 feet above Ordnance Datum. 



Made and communicated by Messrs. Lcgrand and Sutclifl". 

 Water-level 2% feet down. 



Thickness. Depth. 



(Brown clay lo ... lo 



Blue and brown streak)^ clay 25 ... 35 



[London Clay.] < Blue clay 236 ... 271 



I Sandy clay 12 ... 283 



' Sand, shells and pebbles [? basement-bed] 2 ... 283 



Hard blue clay 3 ... 288 



Romford. — South Essex JJ'a/er Company. Havering Mead. 



1886. 



Made and communicated by Messr.'^ 

 Shaft 42 feet, the rest bored. 



Tilley. 



Th 



[London .Clay.] 



[? Basement 

 bed.] 



[Woolwich and 

 Reading Beds, 

 38i feet.] 



[Thanet Sand, 

 73i feet.] 



Chalk 



Yellow clay 



Blue clay 



I Dark dead sand 



< Live sand, with water 

 I Hard stone 



Black clay 



Black sand and shells 



Black clay and shells 



Shells 



Black sand and shells 



Dark dead sand 



Light [-coloured] live sand 



Brown live sand 



Dark brown clay 



Green live sand 



Dead green sand 



Dead dark sand 



I Pebbles 



Live light [-coloured] sand 



Dead dark sand 



Flints 



Roydon.— J/r. E. A. Barclay's. 1889. 



Made and communicated by Messrs. Legrand and Sutcliff. 

 Water-level 26 feet down. 



Thickness. 

 Pit [the rest bored] — ... 



[London Clay.] ] ^^^^^^ '^'l^^' I - 



^ ( Blue sand 2 ... 



ro J- T3 J ( Hard mottled clav- 18 



Readme Beds, c j j ui 1 ,q 



CO f t 1 I ^^rid and pebbles 18 ... 



•* ■-' I Blowing sand 14 ... 



Chalk and flints 56 ... 



Depth. 



14 



32 

 50 

 64 



