The water supply of Kent : with records of sinkings and borings / by William Whitaker ... with contributions by H. Franklin Parsons ... Hugh Robert Mill ... and J.C. Thresh ... Pub. by order of the lords commissioners of His Majesty's Treasury.

Whitaker, William, 1836-1925.

Date:: 1908

Credit: The water supply of Kent : with records of sinkings and borings / by William Whitaker ... with contributions by H. Franklin Parsons ... Hugh Robert Mill ... and J.C. Thresh ... Pub. by order of the lords commissioners of His Majesty's Treasury. Source: Wellcome Collection.

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$07 Capel-le-Ferne. Folkestone Waterworks, on the eastern side of the road, a little N.E. of Lower Standen. 1898 ? Ordn. Map 305, new ser ; Geol. Map 3. Communicated by Mr. H. Turner, Engineer to the Company. Engine-room-floor 255 feet above Ordnance Datum. Pilot-well, of 81- feet diameter ; permanent well elliptical, 14 by 9 feet; both 1304 feet deep. Adits driven from the pilot-well 352 feet N.W., 310 S.E./and 236, S.W. (61 by 5 feet). The last connects the two wells. The water has risen within 21 1 feet of the engine-room-floor, in winter. At present (September 1907) it is 110 feet down at its highest and can only be lowered 25 feet by continuous pumping. Yield at the time 900,000 gallons in 24 hours. It is intended to extend the adits. Soil and flint 5 feet, the rest chalk. Charing. Mid Kent Waterworks. Ordn. Map 288, new ser.; Geol. Map 3. 1. Just above the Pilgrim’s Way, north of the town, 19 01 (?). Originally made for the District Council. Communicated by Mr. F. L. Ball (»S'.E. Naturalist, 1902). Shaft 175 feet, the rest bored. 510 feet of tubes, of 8| inches diameter, from 6 feet below the surface to the base of the Gault clay ; then 102 feet, of 71 inches diameter, from 495 feet down ; the lowest 80 feet perforated. Water-level 267 feet down. Yield 8,000 gallons an hour. Air-lift. Thickness. Depth Ft. Ft. [Middle r Chalk 250 250 and Lower Chalk marl, with 11 inches of green Chalk] „ sand at the base ... 82 332 f Gault clay 185 517 [Gault, Black rock i 5171 1911 feet] Green sand 51 523 Black rock X 2 5231 [Folkestone Beds] * 'Greensand Sandstone 71 15 531 546 „ Green sand 52 598 2. Over f mile S.W. of Church. Trial-boring 1905 (? 1904). Made and communicated by Messrs. Isler & Co. Thickness. Depth. Ft. Ft. [Soil] Caller ••• ••• ••• ••• ••• 1 1 f Light-coloured clay 5 6 [Gault] < Dark clay 6 12 (,Green sand... 24 141 f Yellow sand 231 38 [Folkestone | Sandstone ... 2 40 Beds] \ Yellow sandstone ... 8 48 j Red stone [iron-sandstone] 2 50 10,000 [Yellow sand 54 104 G$