Hydrogeology of Iowa Fens PDF Download
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Author: Carol A. Thompson
Publisher:
ISBN:
Category : Fens
Languages : en
Pages : 566
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Book Description
Author: Carol A. Thompson
Publisher:
ISBN:
Category : Fens
Languages : en
Pages : 566
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Book Description
Author:
Publisher:
ISBN:
Category : Geology, Stratigraphic
Languages : en
Pages : 48
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Book Description
Author: Quentin J. Carpenter
Publisher:
ISBN:
Category :
Languages : en
Pages : 242
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Book Description
Author: Geological Survey (U.S.)
Publisher:
ISBN: 9780607856965
Category : Business & Economics
Languages : en
Pages : 444
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Book Description
Author: Wayne I. Anderson
Publisher: University of Iowa Press
ISBN: 9781587292675
Category : History
Languages : en
Pages : 444
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Book Description
Iowa's rock record is the product of more than three billion years of geological processes. The state endured multiple episodes of continental glaciation during the Pleistocene Ice Age, and the last glacier retreated from Iowa a mere (geologically speaking) twelve thousand years ago. Prior to that, dozens of seas came and went, leaving behind limestone beds with rich fossil records. Lush coal swamps, salty lagoons, briny basins, enormous alluvial plains, ancient rifts, and rugged Precambrian mountain belts all left their mark. In "Iowa's Geological Past, " Wayne Anderson gives us an up-to-date and well-informed account of the state's vast geological history from the Precambrian through the end of the Great Ice Age. Anderson takes us on a journey backward into time to explore Iowa's rock-and-sediment record. In the distant past, prehistoric Iowa was covered with shallow seas; coniferous forests flourished in areas beyond the continental glaciers; and a wide variety of animals existed, including mastodon, mammoth, musk ox, giant beaver, camel, and giant sloth. The presence of humans can be traced back to the Paleo-Indian interval, 9,500 to 7,500 years ago. Iowa in Paleozoic time experienced numerous coastal plain and shallow marine environments. Early in the Precambrian, Iowa was part of ancient mountain belts in which granite and other rocks were formed well below the earth's surface. The hills and valleys of the Hawkeye State are not everlasting when viewed from the perspective of geologic time. Overall, Iowa's geologic column records an extraordinary transformation over more than three billion years. Wayne Anderson's profusely illustrated volume provides a comprehensive and accessible survey of the state's remarkable geological past.
Author: Paul A. Johnsgard
Publisher: Lulu.com
ISBN: 1609621263
Category : Nature
Languages : en
Pages : 164
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Book Description
This book documents nearly 500 US and Canadian locations where wildlife refuges, nature preserves, and similar properties protect natural sites that lie within the North American Great Plains, from Canada's Prairie Provinces to the Texas-Mexico border. Information on site location, size, biological diversity, and the presence of especially rare or interesting flora and fauna are mentioned, as well as driving directions, mailing addresses, and phone numbers or internet addresses, as available. US federal sites include 11 national grasslands, 13 national parks, 16 national monuments, and more than 70 national wildlife refuges. State properties include nearly 100 state parks and wildlife management areas. Also included are about 60 national and provincial parks, national wildlife areas, and migratory bird sanctuaries in Canada's Prairie Provinces. Many public-access properties owned by counties, towns, and private organizations are also described.
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 304
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Book Description
Author: Dr. Darold P. Batzer
Publisher: Univ of California Press
ISBN: 0520951417
Category : Nature
Languages : en
Pages : 1407
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Book Description
Wetlands are prominent landscapes throughout North America. The general characteristics of wetlands are controversial, thus there has not been a systematic assessment of different types of wetlands in different parts of North America, or a compendium of the threats to their conservation. Wetland Habitats of North America adopts a geographic and habitat approach, in which experts familiar with wetlands from across North America provide analyses and syntheses of their particular region of study. Addressing a broad audience of students, scientists, engineers, environmental managers, and policy makers, this book reviews recent, scientifically rigorous literature directly relevant to understanding, managing, protecting, and restoring wetland ecosystems of North America.
Author:
Publisher:
ISBN:
Category : Hydrology
Languages : en
Pages : 556
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Book Description
Author: Sylvan T. Runkel
Publisher: University of Iowa Press
ISBN: 9781609380359
Category : Nature
Languages : en
Pages : 362
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Book Description
