32 



the office at the Works. Water over the surface, 

 28 gallons a minute. 



. Thictness Depth 



Light-brown cliiy : alluvium 5 5 



Brown clay : ( :- part alluvium, part London 

 „,P'ay> 35 40 



Flint-pebbles : ( r basement bed of London 



Clay) 2 42 



Fine greenish sand, with a few small flint- 

 pebbles : Oldhaven Beds 8 50 

 fFirm, partly hardened sand, 

 [Woolwich I of a purplish tint (top bed 



and •{ of the Woolwich series) 4 54 

 ThanetBeds] ) Fine greenish.greysand(with 



L shells) 86 140 



fGrey sandstone ? IJ 141^ 



I Fine clayey sand 37J 179 



[Thanetbeds].; Fine clayey green sand 4 183 



I Fine grey sand 10 193 



LGreen coated flints (to chalk) 

 Ore. The Cotton Powder Co. Second well. 

 Made and communicated by Messrs. Isler and Co. 

 Borins, lined with 205 feet of steel tubes of t-n 

 inches diameter, from three feet below the surface. 

 Water-level a foot down, but sometimes water 

 OTurfiows. Supply, tested hj a Tangye pump, be- 

 tween 4,000 and 5,000 gallons an hour. 



Thickness DeptJi 



[Alluvium] 1^^"^'"'", „„ 6 



^ -" i River mud 27 33 



[ ? River Drift or Oldhaven Beds] Black 



ballast [gravel i ] and shells 8 41 



[Loivcr f Sandstone 10 51 



London ^ Sand and sandstone 10 61 



Tcrtiaries] (. Green sand 132 193 



Chalk and flints 157 350 



Obe. Harty Ferry. Mining machinery and 

 improvements Co., 1900. Boring, of eight inches 

 diameter, made and communicated by Mr. R. D. 

 Batohelor. 



Thicliness Depth 

 — 13 

 32 45 



11 56 



12 63 

 116 184 



68 252 



The depth to the chalk is given as 182, and the 

 total depth as 250. 



Saltwood. For Hythe Waterwork, 1SS4 (?). a 

 third of a mile N. W. of the Castle. Communicated 

 by Mr. G. Wilks. Shaft of 108. the rest bored. 

 Water-level, before boring, about 81 feet down ; 

 after boring, 64 feet higher. 



Thickness Depth 

 Brickwork [see further account, p. 60] 66 66 



C Rock 30 96 



[HytheBeds] I-/, P I| J^f 



(.Clayey sand [? any rock] 45 153 

 [Atherliel.I] Dark stiff clay, with Corbula 4 157 

 Mr. 'l.'opl«y thought thac part of the clayey sand 

 may belong to the Atherfield Clay. 



Saltwood. Sandling Park, S.W. of the house. 

 Made and comjuunicated by Messrs. Legraad and 

 Sutcliff. 



Thickness. Depth, 

 ft. in. ft. iu. 



36 



Well (old), the rest bored 

 London clay 

 [Oldhaven ( Sand and clay 

 Woolwicli & < Green sand 

 ThanetBedsJ (.Sand 

 Cbalk and flint 



Sturrt. Mrs. Thornton's, nf^ar bridsfo, 1872. 

 Lt.-Col. Cox, Kentish Gazette. 21sfc May, 1872. and 

 G. Dowker in discussion. Water overflows. Bore. 



Thickness Depth 



Garden and alluvial soil 

 Hard Valley gravel 



Blue clay 



7 



15 

 19 



Dug well (the rest bored) 



Gap in description [presum- 

 ably more clay] 5 24 

 Very hard blue clay, dry 

 and greasy 4 28 

 [Thanetbeds]<; Blue clay 32 40 

 Hather sandy greenisb[clay] 4 44 

 More sandy 2 46 

 More sandy, struck a 



spring 4 50 



^Green sand, with water 3 53 



Sturby. Tile Lolj^e Farm, 1890. Made and 

 communicated by Messrs. Isler. 



Thickness Depth 

 [London ( Yellow clay (15) (5 (J 



Clay^ i Blue clay (52) 54 60 



[Oldhaven, Woolwich, and Thanet Bed^*] 

 LivR and blowing sand (grey quicksand 

 75) 77 137 



fDeadsand (25) 34 171 



I Sand and clay \ (Hard blue ( 14 185 

 [Thanetbeds]-^ Blue clay ) clay 46) ^ 25 210 

 I Dead sand ") (Black sand ( 6 216 

 LUndescribed > 14) iU 227 



(Chalk 74) 301 



(Words and^fig^ures in these brackets from another 

 source. 



Thaninoton. Canterbury WatHrworks. 1868. 

 Communicated by Mr. S. C. Homprsham, 47 feet 

 above Ordnance Datum. Sunk 362 feet, the rest 

 bored. Normal water-level 19 feet behiw the 

 ;^round. Yield, 1,500,000 ajallons a day ( ? tested 

 to). 



Thickness. Depth. 

 Chalk with flints (with hard chalk below 



the middlei, about 423 423 



Chalk without flints 60 483 



Upper Greensiiud [This must be an error, 

 and the bed most likely a hard gritty 

 bed in the Lower Cbalk] ' 26^ 503^ 



There are two other bore-boles at the works. 

 Analysea'of the water published in C(i7iterhury Gaa 

 and ^Vater. New Water Supply. Report from the 

 Engineer, 8vo., London, 1873 (Ed. 2). Analysis -'f 

 the solid matter from the water, by Mr. D, Camp- 

 bell. Pfoc, Inst. Civ. Enq., yol. xlvii , p. 93 (1^77). 



