 | Geological and Geographical Survey of the Territories (U.S.) - 1875 - 656 Seiten
...assigning the formation in which they occur to the Miocene period. On the other hand, when we consider the fact that the lower beds of this formation hold the remains of reptiles of Mesozoie types ; that the beds pass downward into rocks holding Baculites and Inocerami ; and that... | |
 | Geological and Geographical Survey of the Territories (U.S.) - 1876 - 738 Seiten
...assigning the formation in which they occur to the Miocene period. On the other hand, when we consider the fact that the lower beds of this formation hold...of reptiles of Mesozoic types ; that the beds pass downward into rocks holding Baculitesand Inocerami; and that a flora essentially similar is found associated... | |
 | Geological and Geographical Survey of the Territories (U.S.) - 1876 - 748 Seiten
...assigning the formation in which they occur to the Miocene period. On the other hand, when we consider the fact that the lower beds of this formation hold...of reptiles of Mesozoic types ; that the beds pass downward into rocks holding Baculites and Inocerami ; and that a flora essentially similar is found... | |
 | Geological and Geographical Survey of the Territories (U.S.) - 1876 - 722 Seiten
...assigning the formation in which they occur to the Miocene period. On the other hand, when we consider the fact that the lower beds of this formation hold...of reptiles of Mesozoic types ; that the beds pass downward into rocks holding Baculites and Inocerami ; and that a flora essentially similar is found... | |
 | North American Boundary Commission, 1872-1876, George Mercer Dawson - 1876 - 462 Seiten
...assigning the formation in which they occur to the Miocene period. On the other hand, when we consider the fact that the lower beds of this formation hold the remains of reptiles of Mesozoic type, that the beds puss downward into rocks holding Baculites and Inocerami, and that a flora essentially... | |
 | 1879 - 528 Seiten
...assigning the formation in which they occur to the Miocene period. On the other hand, when we consider the fact that the lower beds of this formation hold...holding baculites and Inocerami, and that a flora essen38 tially similar is found associated with cretaceous remains, both in Dakota and Vancouver's... | |
 | Royal Society of Canada - 1903 - 980 Seiten
...assigning the formation in which they occur to the Miocene period. On the other hand, when we consider the fact that the lower beds of this formation hold the remains of reptiles of Meso7oic type, that the beds pass downward into the rocks holding Bacculites and Inocerami, and that... | |
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... fact that several of the species are identical with those still living, and that the whole faciès of the flora coincides with that of modern temperate America, little hesitation would be felt in assigning the formation in which they occur to the... 