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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Page 4
... Paris , Elbœuf , and Tours ; or rather it will be shown that the conditions in this country are in every respect more favourable . 5. There are two sources of water - supply to the land , — one from the rain and snow falling upon the ...
... Paris , Elbœuf , and Tours ; or rather it will be shown that the conditions in this country are in every respect more favourable . 5. There are two sources of water - supply to the land , — one from the rain and snow falling upon the ...
Page 9
... Paris , 1826 ; and his " Rapport sur la concours pour le percement des Puits Forés , ” etc. , Paris , 1831. The best geological account of the strata traversed by these wells in France , and of the geological position of the waters , is ...
... Paris , 1826 ; and his " Rapport sur la concours pour le percement des Puits Forés , ” etc. , Paris , 1831. The best geological account of the strata traversed by these wells in France , and of the geological position of the waters , is ...
Page 66
... Paris , nor in the 760 feet at Calais ( see Appendix A ) . At Suresne , near Paris , M. Mulot bored 408 feet into the chalk ( first passing through 131 feet of Tertiaries ) , but without success . * As an instance of this , the well ...
... Paris , nor in the 760 feet at Calais ( see Appendix A ) . At Suresne , near Paris , M. Mulot bored 408 feet into the chalk ( first passing through 131 feet of Tertiaries ) , but without success . * As an instance of this , the well ...
Page 112
... Paris is scarcely a third of that which falls as rain in the basin of the Seine above Paris . Two thirds of this rain either returns into the atmosphere by means of evaporation , or goes to the support of vegetation and of animal life ...
... Paris is scarcely a third of that which falls as rain in the basin of the Seine above Paris . Two thirds of this rain either returns into the atmosphere by means of evaporation , or goes to the support of vegetation and of animal life ...
Page 139
... Paris Calais FEET . 1394 762 Condé , near Valenciennes Lille FEET . 287 186 At Culver Cliff in the Isle of Wight , Dr. Fitton considers the distance between the Tertiary strata and the Upper Greensand to be about 1300 feet . Mr. Keele ...
... Paris Calais FEET . 1394 762 Condé , near Valenciennes Lille FEET . 287 186 At Culver Cliff in the Isle of Wight , Dr. Fitton considers the distance between the Tertiary strata and the Upper Greensand to be about 1300 feet . Mr. Keele ...
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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.