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Author: Cleophas Cisney O'Harra
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 396
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Book Description
Author: Cleophas Cisney O'Harra
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 396
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Book Description
Author: Rachel C. Benton
Publisher: Indiana University Press
ISBN: 0253016088
Category : Science
Languages : en
Pages : 257
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Book Description
This guide to the South Dakota region that houses the world’s richest fossil beds does “an excellent job of presenting the current state of knowledge” (Choice). The forbidding Big Badlands in Western South Dakota contain the richest fossil beds in the world. Even today these rocks continue to yield new specimens brought to light by snowmelt and rain washing away soft rock deposited on a floodplain long ago. The quality and quantity of the fossils are superb: most of the species to be found there are known from hundreds of specimens. The fossils in the White River Group (and similar deposits in the American west) preserve the entire late Eocene through the middle Oligocene, roughly 35-30 million years ago and more than thirty million years after non-avian dinosaurs became extinct. The fossils provide a detailed record of a period of abrupt global cooling and what happened to creatures who lived through it. This book is a comprehensive reference to the sediments and fossils of the Big Badlands, and also touches on National Park Service management policies that help protect such significant fossils. Includes photos and illustrations “A worthy successor to the work of O’Harra.” —Journal of Vertebrate Paleontology
Author:
Publisher:
ISBN:
Category : Hydrology
Languages : en
Pages : 168
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Author: E. Arthur Bettis III
Publisher: Geological Society of America
ISBN: 0813722977
Category : Science
Languages : en
Pages : 163
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Book Description
The Archaic Period is the longest and one of the most transitional of the cultural periods in North America. Its exact date varied across the continent, but it is distinguished from the earlier Paleo-Indian cultures by new styles of projectile points and other artifacts, and from the later prehistor
Author: United States. National Park Service
Publisher:
ISBN:
Category : Badlands National Park (S.D.)
Languages : en
Pages : 56
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Book Description
Author: Robert M. Linn
Publisher:
ISBN:
Category : National parks and reserves
Languages : en
Pages : 664
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Book Description
Author: Mark D. Mitchell
Publisher: University of Arizona Press
ISBN: 0816521298
Category : Social Science
Languages : en
Pages : 289
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Book Description
In Crafting History in the Northern Plains Mark D. Mitchell shows the crucial role archaeological methods and archaeological data can play in producing trans-Columbian histories. Mitchell provides a regional synthesis of communities located at the confluence of the Heart and Missouri rivers, home to the Mandan people for more than five centuries.
Author:
Publisher:
ISBN:
Category : National parks and reserves
Languages : en
Pages : 660
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Book Description
Author: Cleophas Cisney O'Harra
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 532
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Author: South Dakota School of Mines and Technology
Publisher:
ISBN:
Category : Cyanide process
Languages : en
Pages : 384
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