 | Geological and Geographical Survey of the Territories (U.S.) - 1876 - 748 pages
...plants in the Cretaceous system of this country than in that of the Old World. " As the Wind Hiver deposits have not yet been seen in contact with any...placed this formation between the Fort Union and White Kiver groups in the foregoing section, it may possibly belong to the horizons of one of these rocks,... | |
 | Geological and Geographical Survey of the Territories (U.S.) - 1876 - 722 pages
...been seen in contact with any well-marked beds of the other Tertiary formations of this region, anil few fossils have yet been found in them, their position...foregoing .section. It may possibly belong to the horizons of one of these rocks, or even represent them both in part, or, what is more probable, it... | |
 | Geological and Geographical Survey of the Territories (U.S.) - 1876 - 738 pages
...Tertiary formations of this region, and few fossils have yet been found in them, their position in tbe series remains doubtful. It is, therefore, only provisionally...the foregoing section. It may possibly belong to the horizons of one of these rocks, or even represent them both in part, or, what is more, probable, it... | |
 | William Bullock Clark - 1891 - 194 pages
...fossils have yet beeu found in them, their pos1tion in the series remains doubtful. It is therefore, ouly provisionally that we have placed this formation between...Union and White River groups in the foregoing section. Concerning the Jndith River deposits, a foot-note to page 417 contains the following: At the time we... | |
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... particular types of plants in the Cretaceous System of this country, than in that of the Old World. As the WIND RIVER DEPOSITS have not yet been seen in contact with any well marked beds of the other Tertiary formations of this region, and few fossils... 