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Więcej informacji o Report of the United States Geological Survey of the Territories, Vol. 7 (Classic Reprint)

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Excerpt from Report of the United States Geological Survey of the Territories, Vol. 7 Sir: I have the honor to transmit herewith, for your approval and for publication, the Seventh Volume of the Final Reports of the Survey under my charge. The work consists of a Report on the Tertiary Flora of the West, by Prof. Leo Lesquereux, of Columbus, Ohio, being Part II of "Contributions to the Fossil Flora of the Western Territories" - Part I being "The Cretaceous Flora", by the same distinguished author, whose long-continued studies in palćo-botany have placed the subject upon a firm and enduring basis. Part I formed Vol. VI of this series of Final Reports, and the present Part constitutes Vol. VII. The circumstances which led to the preparation of this work may be briefly reviewed. When the geological investigation of the Lignitic formations of the West had reached a certain point, the conclusions derived from such studies were discussed by certain geologists who dissented from the views then expressed respecting the age of these strata. It consequently became desirable, in order to the solution of the questions involved, to elaborate further, and with the greatest care, all available material bearing upon this interesting problem. To this end, I desired Prof. Joseph Leidy, Prof. E. D. Cope, Mr. F .B. Meek, and Prof. Leo Lesquereux, to present in detail all the evidence they could secure in their respective specialties of Extinct Vertebrata, Extinct Invertebrata, and Fossil Flora, bearing on the disputed age of these formations, to decide, if possible, whether the strata in question are Cretaceous or Tertiary. The various reports which these gentlemen have furnished testify with what zeal, ability, and success these instructions have been carried out. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Szczegóły książki

Kategoria Książki po angielsku Earth sciences, geography, environment, planning Earth sciences Palaeontology

• Pełny tytuł: Report of the United States Geological Survey of the Territories, Vol. 7 (Classic Reprint)
• Autor: F V Hayden
• Język: Angielski
• Oprawa: Miękka
• Liczba stron: 660
• EAN: 9781330547496
• ISBN: 9781330547496
• ID: 09666687
• Wydawca: Forgotten Books
• Waga: 866 g
• Wymiary: 229 × 152 × 34 mm
• Data wydania: 08. August 2015

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