A geological inquiry respecting the water-bearing strata of the country around London, with reference especially to the water-supply of the metropolis |
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... ARTESIAN WELLS IN THE TERTIARY AND CRETACEOUS DIS- TRICTS OF THE NORTH OF FRANCE . APPENDIX B. ON SPRINGS ARISING FROM FAULTS , AND ON THEIR ANALOGY TO AR- TESIAN WELLS 212 • APPENDIX C. ON THE WATERS OF THE LOWER TERTIARY SANDS AND OF ...
... ARTESIAN WELLS IN THE TERTIARY AND CRETACEOUS DIS- TRICTS OF THE NORTH OF FRANCE . APPENDIX B. ON SPRINGS ARISING FROM FAULTS , AND ON THEIR ANALOGY TO AR- TESIAN WELLS 212 • APPENDIX C. ON THE WATERS OF THE LOWER TERTIARY SANDS AND OF ...
Page 1
... Artesian wells , " and by the uncertainty as to their capabilities and value , which seemed to prevail in the discussions of the many plans brought forward in the course of the last few years , for the better supply of water to the ...
... Artesian wells , " and by the uncertainty as to their capabilities and value , which seemed to prevail in the discussions of the many plans brought forward in the course of the last few years , for the better supply of water to the ...
Page 2
... Artesian wells , a very much larger and better supply of water than that furnished by those which exist at pre- sent . * 2. The limpidity and freedom from organic impurities of the deep well water in the London Tertiary district , † and ...
... Artesian wells , a very much larger and better supply of water than that furnished by those which exist at pre- sent . * 2. The limpidity and freedom from organic impurities of the deep well water in the London Tertiary district , † and ...
Page 3
... Artesian wells of London and its neighbourhood draw their supplies , and to weigh the pro- bability of their being able to yield larger quantities of water than they now furnish . Third . To extend the inquiry to the strata beneath the ...
... Artesian wells of London and its neighbourhood draw their supplies , and to weigh the pro- bability of their being able to yield larger quantities of water than they now furnish . Third . To extend the inquiry to the strata beneath the ...
Page 4
... Artesian wells in London have as yet been carried through the chalk , it remains to be determined what would be the result of such an operation ; and this part of the inquiry being one of considerable importance will also be discussed ...
... Artesian wells in London have as yet been carried through the chalk , it remains to be determined what would be the result of such an operation ; and this part of the inquiry being one of considerable importance will also be discussed ...
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Common terms and phrases
alkaline appear arenaceous argillaceous Artesian average Bedfordshire beds beneath London bore Buckinghamshire calcareous Cambridgeshire carbonate of lime carbonic acid chalk marl considerable Cretaceous crop Degousée depth Devizes division Dorking drainage drift escarpment extent fall fault feet thick fissures flow formation France gallons of water Gault geological Godstone grains gravel green Grenelle ground Guildford height hills impermeable inches iron Kent lithological character London clay Lower Greensand Lower Tertiary sands Lower Tertiary strata mass Merstham mineral mottled clays nearly neighbourhood North Downs observations Oolite outcrop Oxfordshire Paris pass permeable portion probably proportion quantity of water rain rain-fall Reigate rise river rocks Saffron Walden salts sections siliceous soluble springs square miles subterranean sunk superficial area supply of water surface Surrey Tertiary district Thames tract traversed underground Upper Greensand valley varies water-bearing deposit water-bearing strata water-level water-supply Watford whilst
Popular passages
Page 164 - DEGREES OF HARDNESS AND DEGREES OF ALKALINITY EXPLAINED. Degrees of Hardness. — Each degree of hardness indicates as much hardness as would be produced by one grain of chalk per gallon held in solution in the form of bicarbonate of lime, free from any excess of carbonic acid. The degree of hardness caused by a lime salt depends, not on the state of combination of the calcium it contains, but on the quantity of the calcium.