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Author: Alisa L. Gallant
Publisher: DIANE Publishing
ISBN: 9780788148965
Category :
Languages : en
Pages : 90
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Book Description
Produced as a framework for organizing and interpreting environmental data for inventory, monitoring, and research efforts. The descriptions of the 20 ecoregions of Alaska contained in this guide were derived by synthesizing information on the geographic distribution of environmental factors such as climate, terrain, soils, and vegetation. The specific procedures and materials used to delineate the ecoregion boundaries are documented, and the environmental characteristics in each ecoregion are described. Accompanied by a full-color oversize map of the ecoregions, their boundaries, and transitional areas. 42 full-color photos.
Author: Alisa L. Gallant
Publisher: DIANE Publishing
ISBN: 9780788148965
Category :
Languages : en
Pages : 90
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Book Description
Produced as a framework for organizing and interpreting environmental data for inventory, monitoring, and research efforts. The descriptions of the 20 ecoregions of Alaska contained in this guide were derived by synthesizing information on the geographic distribution of environmental factors such as climate, terrain, soils, and vegetation. The specific procedures and materials used to delineate the ecoregion boundaries are documented, and the environmental characteristics in each ecoregion are described. Accompanied by a full-color oversize map of the ecoregions, their boundaries, and transitional areas. 42 full-color photos.
Author: Alfred Hulse Brooks
Publisher:
ISBN:
Category : Alaska
Languages : en
Pages : 274
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Book Description
Report of 1902 exploratory journey from Pacific seaboard through Alaska Range along northwest base of Mount McKinley to Tanana and Yukon rivers. Includes concise summary of mineral wealth of region and description of stratigraphy, structure, and geologic history of area. Also contains information about climate, vegetation and wildlife, agricultural lands, and means of communication and transportation.
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 232
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Book Description
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Category : Irrigation
Languages : en
Pages : 1116
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Author:
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ISBN:
Category : Geology
Languages : en
Pages : 414
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Author:
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ISBN:
Category : Geology
Languages : en
Pages : 124
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Book Description
Author: Ed DeWitt
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 396
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Book Description
Author: Cathy Connor
Publisher: Mountain Press
ISBN: 9780878426195
Category : Nature
Languages : en
Pages : 0
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Book Description
The biggest US state is full of superlatives. Denali, the highest peak in North America at 20,320 feet, is still rising, pushed upward as a tectonic plate collides from the south. The collision has also created huge mountains along Alaska�s Gulf Coast, where humid coastal air has produced the largest subpolar icefield in North America. The exceptional heights of Alaska�s mountains are mirrored below sea level by the 22,377-foot-deep trench of the active subduction zone along Alaska�s southern shore. Earthquakes associated with the subduction zone shake Alaskans frequently, and the magnitude 9.2 earthquake in 1964, with its epicenter in Prince William Sound, was one of the largest seismic events ever recorded. Such an active geologic setting calls for an updated edition of this popular roadside geology guide. Since the first edition was published in 1988, volcanoes have erupted, faults have ruptured, glaciers have retreated, permafrost has thawed, and geologic interpretations have changed. Author Cathy Connor discusses the latest findings as she guides readers along the roads of Alaska and adjacent parts of British Columbia and the Yukon. In addition to roads and national parks, the book covers the �boatside geology� of Alaska, including the fjords of southeast Alaska, islands in the Bering Sea, and the Tatshenshini River. Roadside Geology of Alaska is a must-have for any Alaska rock enthusiast.
Author: Thomas M. Cronin
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 460
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Book Description
Author:
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ISBN:
Category :
Languages : en
Pages : 304
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