 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 34por George Edwin Waring - 1911 - 252 páginasVista completa - Acerca de este libro
 | John Hancock Klippart - 1867 - 478 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... | |
 | George Edwin Waring (Jr.) - 1867 - 264 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... | |
 | 1850 - 346 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... | |
 | John Hancock Klippart - 1888 - 514 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... | |
| |
