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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... . , F.G.S. , MEMBER OF THE GEOLOGICAL SOCIETY OF FRANCE ; CORRESPONDING MEMBER OF THE ROYAL GEOLOGICAL SOCIETY OF CORNWALL . LONDON : JOHN VAN VOORST , PATERNOSTER ROW . M. DCCC . LI . LONDON : Printed by SAMUEL BENTLEY & Co. Bangor House.
... . , F.G.S. , MEMBER OF THE GEOLOGICAL SOCIETY OF FRANCE ; CORRESPONDING MEMBER OF THE ROYAL GEOLOGICAL SOCIETY OF CORNWALL . LONDON : JOHN VAN VOORST , PATERNOSTER ROW . M. DCCC . LI . LONDON : Printed by SAMUEL BENTLEY & Co. Bangor House.
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... 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 THE CHALK BENEATH LONDON • 216 APPENDIX D. ON THE RELATION OF THE ...
... 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 THE CHALK BENEATH LONDON • 216 APPENDIX D. ON THE RELATION OF THE ...
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... France , where the geological structure of the country is singularly favourable for their easy and economical construction . * ( See Appendix A. ) These wells have been in use in this part of France from a very early period . There is ...
... France , where the geological structure of the country is singularly favourable for their easy and economical construction . * ( See Appendix A. ) These wells have been in use in this part of France from a very early period . There is ...
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... France , and have been generally found to succeed . As the supply of water by Artesian wells in France affords several points of com- parison , and is interesting on account of its bearing on the same question in this country , I have ...
... France , and have been generally found to succeed . As the supply of water by Artesian wells in France affords several points of com- parison , and is interesting on account of its bearing on the same question in this country , I have ...
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... France . No springs of any consequence were met with in passing through the 1400 feet of that formation at Paris , nor in the 760 feet at Calais ( see Appendix A ) . At Suresne , near Paris , M. Mulot bored 408 feet into the chalk ...
... France . No springs of any consequence were met with in passing through the 1400 feet of that formation at Paris , nor in the 760 feet at Calais ( see Appendix A ) . At Suresne , near Paris , M. Mulot bored 408 feet into the chalk ...
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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.