 | Samuel Greatheed, Daniel Parken, Theophilus Williams, Josiah Conder, Thomas Price, Jonathan Edwards Ryland, Edwin Paxton Hood - 1845 - 788 pagina’s
...uniform throughout,' which, however, as he there also observes, ' could not have been the case/ as at every step in the process of excavation, the height...of fallen matter to be removed, must have varied. Mr. Lyell observes, with regard to the future retrocession of the Falls, — ' That when they have... | |
 | William Samuel Waithman Ruschenberger - 1846 - 258 pagina’s
...the retrograde movement had been uniform throughout. This, however, could not have been the case, as at every step in the process of excavation, the height...average progress has been more or less rapid than now." — Lyell't Travelt in North America. 10. Effects of weight. — Water acting by its own weight like... | |
 | 1846 - 588 pagina’s
...into the abyss. But between Queenston and Niagara various strata are cut through by the river ; and ' at every step in the process of excavation, the height ' of the precipice, the hardness of the material at its base, and ' the quantity of fallen matter to be removed, must have varied. ' At some... | |
 | Sir Charles Lyell - 1847 - 866 pagina’s
...An examination of the geological structure of the district, as laid open in the ravine, shows that at every step in the process of excavation, the height...points it may have receded much faster than at present, but in general its progress was probably slower, because the Cataract when it began to recede, must... | |
 | Sir Charles Lyell - 1853 - 882 pagina’s
...An examination of the geological structure of the district, as laid open in the ravine, shows that at every step in the process of excavation, the height...points it may have receded much faster than at present, but in general its progress was probably slower, because the cataract, when it began to recede, mus... | |
 | George Fleming Richardson - 1855 - 532 pagina’s
...retrograde movement had been uniform throughout. " This, however, could not have been the case ; as at every step in the process of excavation, the height...average progress has been more or less rapid than now." * In pursuing the natural and legitimate mode of interpreting the past by the present, and observing... | |
 | Hugh Miller - 1857 - 528 pagina’s
...exaggeration of the truth, although we cannot assume that the retrograde movement has been uniform. At some points it may have receded much faster than at present; but in general its progress was probably slower, because the cataract, when it began to recede, must... | |
 | John Hoskyns Abrahall - 1864 - 478 pagina’s
...if we could assume that the retrograde movement had been uniform throughout." But, " at every step, the height of the precipice, the hardness of the materials...much faster than at present, at others much slower." § * XIV. [p. 15S]. t See an 93. } Ag. i*. § Ly. it. L.. 87. THE SPHAY Bows OF NIAGABA.* "Rainbows"... | |
 | Sir Charles Lyell - 1865 - 880 pagina’s
...the ravine, shows that at every step process of excavation, the height of the precipice, the hardness materials at its base, and the quantity of fallen matter to be d, must have varied. At some points it may have receded much 1^ than at present, but in general its... | |
 | Hugh Miller - 1865 - 530 pagina’s
...exaggeration of the truth, althongh we cannot assume that the retrograde movement has been uniform. At some points it may have receded much faster than at present; but in general its progress was probably slower, because the cataract, when It began to recede, must... | |
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An examination of the geological structure of the district, as laid open in the ravine, shows that at every step in the process of excavation, the height of the precipice, the hardness of the materials at its base, and the quantity of fallen matter to... 
