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" Such were the effects at an early period of the year on a black bog. They suggest some idea of what they are, when in July or August thunder-rain at 60° or 70° falls on a surface heated to 130°, and carries down with it into the greedy fissures of... "
Draining for profit, and draining for health - Página 36
por George Edwin Waring - 1911 - 252 páginas
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The Principles and Practice of Land Drainage: Embracing a Brief History of ...

John Hancock Klippart - 1867 - 454 páginas
...undrained soil never exceeded 47°, whereas after a thunder-storm the drained reached 66° at 7 inches, and 48° at 31 inches. Such were the effects at an early...on a black bog. They suggest some idea of what they are, when in July or August thunder-rain at 60° or 70° falls on a surface heated to 130°, and carries...
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Draining for Profit, and Draining for Health

George Edwin Waring - 1867 - 238 páginas
...exceeded 47°, whereas, after a " thunder storm, the drained reached 66° at 7 inches, and "48° at'31 inches. Such were the effects, at an early " period of the year, on a black bog. They suggest some ' f " idea of what they were, when, in July or August, thunder " rain at 60° or 70° falls on a surface...
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The London Quarterly Review, Volumen86

1850
...undrained soil never exceeded 47°, whereas after a thunder-storm the drained reached 66° at 7 inches, and 48° at 31 inches. Such were the effects at an early...on a black bog. They suggest some idea of what they are, when in July or August thunder-rain at 60° or 70° falls on a surface heated to 130°, and carries...
Vista completa - Acerca de este libro

The Principles and Practice of Land Drainage: Embracing a Brief History of ...

John Hancock Klippart - 1888 - 454 páginas
...undrained soil never exceeded 47°, whereas after a thunder-storm the drained reached G6° at 7 inches, and 48° at 31 inches. Such were the effects at an early period of the year on a block bog. They suggest some idea of what they are, when in July or August thunder-rain at 60° or...
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