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Author: Warren Upham
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 72
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Book Description
Author: Warren Upham
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 72
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Book Description
Author: Warren 1850-1934 Upham
Publisher: Wentworth Press
ISBN: 9781362596950
Category : History
Languages : en
Pages : 68
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Book Description
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: Warren Upham
Publisher: Forgotten Books
ISBN: 9780332483559
Category : Science
Languages : en
Pages : 62
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Book Description
Excerpt from The Geology of Central and Western Minnesota: A Preliminary Report The gently undulating contour of most of this region appears to mark areas over which the ice-sheet moved in a continuous current, and from which it disappeared by melting that was extended at the same time over a wide field. The inequalities of surface are very slight in comparison with the thickness of the drift, and the average height generally rises or falls imperceptibly, its slope being often not more than 50 or 100 feet in as many miles. These general changes in altitude, which affect the whole country and give direction to its drainage, are doubtless produced by differences in height of the bed-rock upon which the drift lies as a sheet, probably some what uniform in depth; but the small elevations and depressions appear to be due to the accumulation of different amounts of till in and beneath adjoining portions of the moving ice-sheet. This unequal deposition of the drift has produced the multitude of lakes which dot the map of Minnesota. The lapse of time since the ice-age has been insufficient for rains and streams to fill these basins with sediment, or to cut outlets low enough to drain them though in many instances we can see such changes slowly going forward. 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.
Author: Warren Upham
Publisher:
ISBN: 9783744662055
Category :
Languages : en
Pages : 64
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Book Description
The Geology of Central and Western Minnesota - A Preliminary Report is an unchanged, high-quality reprint of the original edition of 1880. Hansebooks is editor of the literature on different topic areas such as research and science, travel and expeditions, cooking and nutrition, medicine, and other genres. As a publisher we focus on the preservation of historical literature. Many works of historical writers and scientists are available today as antiques only. Hansebooks newly publishes these books and contributes to the preservation of literature which has become rare and historical knowledge for the future.
Author: Edmund Cecil Harder
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Edmund Cecil Harder
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 572
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Book Description
Author: Edm. Cecil Harder
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Edmund Cecil Harder
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 157
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Book Description
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 1178
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Book Description
Author: Geological and Natural History Survey of Minnesota
Publisher:
ISBN:
Category :
Languages : en
Pages : 246
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Book Description
