 | 1884 - 434 Seiten
...portions of their valleys show, equally with the harbors, that the land is sinking. They are half-drowned valleys, filled to a considerable depth with land...The reef which, in eastern Cuba, reaches a height of 500 feet above the sea, includes not less than 400 feet in vertical thickness of coralrock ; and in... | |
 | Harvard University. Museum of Comparative Zoology - 1895 - 410 Seiten
...portion of their valleys show equally with the harbors that the land is sinking. They are halfdrowned valleys filled to a considerable depth with land detritus, conditions which could not exist if the land was rising or had risen." 1 The interpretation of Ihe evidence of the harbors depends upon the correctness... | |
 | Donald Francis MacDonald, Edward Wilber Berry, Henry Augustus Pilsbry, Joseph Augustine Cushman, Marshall Avery Howe, Mary Jane Rathbun, Robert Tracy Jackson, Thomas Wayland Vaughan - 1918 - 958 Seiten
...by the rivers, and thus a large number of harbora came into existence. * * * They are half-drowned valleys filled to a considerable depth with land detritus, conditions which could not exist if the land was rising or had risen. There are very many pouch-shaped along the Cuban coast, following table presents... | |
 | United States National Museum - 1919 - 926 Seiten
...out by the rivers, and thus a large number of harbon came into existence. * * * They are half-drowned valleys filled to a .considerable depth with land detritus, conditions which could not exist if tho land was rifling or had risen. There are very many pouch-shaped along the Cuban coast. following... | |
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... the larger rivers, such as the Toar and Molasses in the vicinity of Baracoa, the reef in question was completely interrupted, and these streams discharge into broad, open bays ; while the lower portions of their valleys show, equally with the harbors,... 