The Origin of the Mima Mounds of Western Washington PDF Download
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Author: Walter Woelber Dalquest
Publisher:
ISBN:
Category : Mima Mounds (Wash.)
Languages : en
Pages : 17
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Book Description
Author: Walter Woelber Dalquest
Publisher:
ISBN:
Category : Mima Mounds (Wash.)
Languages : en
Pages : 17
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Book Description
Author: Albert Lincoln Washburn
Publisher:
ISBN:
Category : Mima Mounds (Wash.)
Languages : en
Pages : 64
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Book Description
Author: Jennifer L. Horwath Burnham
Publisher: Geological Society of America
ISBN: 0813724902
Category : Science
Languages : en
Pages : 216
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Book Description
Papers mostly from Geological Society of America Annual Meetings and field trips held in Houston, Texas, October 4-9, 2008.
Author: Robert Carl Paeth
Publisher:
ISBN:
Category : Mima Mounds (Wash.)
Languages : en
Pages : 122
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Book Description
An investigation was conducted to determine the origin of mima mounds in Jackson County, Oregon and Thurston County, Washington. Data on soil morphology, mineralogy, and particle size distribution were used to test the periglacial ice wedge hypothesis, the gopher hypothesis, the erosional hypothesis, and the loess hypothesis. The results of this investigation show that these hypotheses do not satisfactorily explain the origin of Mima mounds. The conditions of an acceptable hypothesis are given and a depositional theory on the origin of Mima mounds is suggested within the framework of these conditions.
Author: Arthur R. Kruckeberg
Publisher: University of Washington Press
ISBN: 9780295974774
Category : History
Languages : en
Pages : 500
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Book Description
Winner of the Pacific Northwest Booksellers Award Bounded on the east by the crest of the Cascade Range and on the west by the lofty east flank of the Olympic Mountains, Puget Sound terrain includes every imaginable topograhic variety. This thoughtful and eloquent natural history of the Puget Sound region begins with a discussion of how the ice ages and vulcanism shaped the land and then examines the natural attributes of the region--flora and fauna, climate, special habitats, life histories of key organisms--as they pertain to the functioning ecosystem. Mankind's effects upon the natural environment are a pervasive theme of the book. Kruckeberg looks at both positive and negative aspects of human interaction with nature in the Puget basin. By probing the interconnectedness of all natural aspects of one region, Kruckeberg illustrates ecological principles at work and gives us a basis for wise decision-making. The Natural History of Puget Sound Country is a comprehensive reference, invaluable for all citizens of the Northwest, as well as for conservationists, biologists, foresters, fisheries and wildlife personnel, urban planners, and environmental consultants everywhere. Lavishly illustrated with over three hundred photographs and drawings, it is much more than a beautiful book. It is a guide to our future.
Author: Albert Lincoln Washburn
Publisher:
ISBN:
Category : Mima Mounds (Wash.)
Languages : en
Pages : 68
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Book Description
Author: Ronald U. Cooke
Publisher: CRC Press
ISBN: 9780203020593
Category : Science
Languages : en
Pages : 540
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Book Description
Including recent research findings from terrestrial satellite imagery, the study of planetary landscapes, and advances in laboratory work, this also covers the environmental processes involved in desertification and the solution of planning and
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 1190
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Book Description
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 1248
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Book Description
1919/28 cumulation includes material previously issued in the 1919/20-1935/36 issues and also material not published separately for 1927/28. 1929/39 cumulation includes material previously issued in the 1929/30-1935/36 issues and also material for 1937-39 not published separately.
Author: Jerry F. Franklin
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 430
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Book Description
Major vegetational units of Oregon and Washington and their environmental relationships are described and illustrated. After an initial consideration of the vegetation components in the two States, major geographic areas and vegetation zones are detailed. Descriptions of each vegetation zone include composition and succession, as well as discussion of variations associated with environmental gradients. Three chapters treat the forested zones found in the two States. Major emphasis is on the distinctive mesic temperate forests found in western Washington and northwestern Oregon. The interior valley forests, shrub lands, and prairies found between the Coast and Cascade Ranges in western Oregon are treated in a single chapter as are subalpine and alpine mosaics of tree-dominated and meadow communities. Unusual habitats, such as areas of recent vulcanism, serpentines, and ocean strand, are individually described. Soils, geology, and climate are considered in broad outline in an early chapter and in greater detail within discussions of individual geographic areas and vegetation zones. Appendices are included for definition of the various soil types, scientific and common plant names, and a subject index. An extensive bibliography is included to direct the reader to other references.
