The White River Badlands PDF Download. Download free ebook of The White River Badlands in PDF format or read online by Rachel C. Benton,Dennis O. Terry, Jr.,Emmett Evanoff,Hugh Gregory McDonald 9780253016089 Published on 2015-05-25 by Indiana University Press
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 30 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. The book provides a comprehensive reference to the sediments and fossils of the Big Badlands and will complement, enhance, and in some ways replace the classic 1920 volume by Cleophas C. O'Harra. Because the book focuses on a national treasure, it touches on National Park Service management policies that help protect such significant fossils.
This Book was ranked at 20 by Google Books for keyword Paleontology.
Book ID of The White River Badlands's Books is ZcFtCQAAQBAJ, Book which was written by Rachel C. Benton,Dennis O. Terry, Jr.,Emmett Evanoff,Hugh Gregory McDonald have ETAG "NB5MMuqL25o"
Book which was published by Indiana University Press since 2015-05-25 have ISBNs, ISBN 13 Code is 9780253016089 and ISBN 10 Code is 0253016088
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