The Great Lakes St. Lawrence Seaway System PDF Download
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Author:
Publisher:
ISBN:
Category : Saint Lawrence Seaway
Languages : en
Pages : 16
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Author:
Publisher:
ISBN:
Category : Saint Lawrence Seaway
Languages : en
Pages : 16
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Author: Dan Egan
Publisher: W. W. Norton & Company
ISBN: 0393246442
Category : Science
Languages : en
Pages : 306
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New York Times Bestseller Winner of the Los Angeles Times Book Prize Winner of the J. Anthony Lukas Award "Nimbly splices together history, science, reporting and personal experiences into a taut and cautiously hopeful narrative.… Egan’s book is bursting with life (and yes, death)." —Robert Moor, New York Times Book Review The Great Lakes—Erie, Huron, Michigan, Ontario, and Superior—hold 20 percent of the world’s supply of surface fresh water and provide sustenance, work, and recreation for tens of millions of Americans. But they are under threat as never before, and their problems are spreading across the continent. The Death and Life of the Great Lakes is prize-winning reporter Dan Egan’s compulsively readable portrait of an ecological catastrophe happening right before our eyes, blending the epic story of the lakes with an examination of the perils they face and the ways we can restore and preserve them for generations to come.
Author: Great Lakes-St. Lawrence Seaway Winter Navigation Board
Publisher:
ISBN:
Category : Great Lakes (North America)
Languages : en
Pages : 108
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Author: Saint Lawrence Seaway Development Corporation
Publisher:
ISBN:
Category :
Languages : en
Pages : 12
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Author: Terrell G. Dorn
Publisher: DIANE Publishing
ISBN: 1437933378
Category : Nature
Languages : en
Pages : 40
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Book Description
The St. Lawrence Seaway (the Seaway) is a 50-year-old bi-national (U.S. and Canada) transportation asset serving substantial manufacturing and service industries in both the U.S. and Canada. The St. Lawrence Seaway Develop. Corp. (SLSDC), a wholly owned gov¿t. corp., operates and maintains the two locks. In 2009, SLSDC initiated a 10-year U.S. Seaway Asset Renewal Program (ARP) for its navigation infrastructure and facilities. This report examined: (1) How the cost estimates in the ARP have changed from Feb. 2009 to Feb. 2010; (2) The extent to which the ARP covers all asset renewal needs; and (3) The steps U.S. and Canadian authorities have taken to coordinate their asset renewal programs. Charts and tables.
Author: National Research Council (U.S.). Committee on the St. Lawrence Seaway:Options to Eliminate Introduction of Nonindigenous Species into the Great Lakes, Phase 2
Publisher: Transportation Research Board
ISBN:
Category : Political Science
Languages : en
Pages : 228
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The Laurentian Great Lakes are the largest unfrozen reservoir of freshwater on earth, accounting for almost one-fifth of the worlds fresh surface water. They are vital to the economy of the Great Lakes region and to the quality of life of its residents, providing drinking water for more than 33 million people in Canada and the United States, supplying hydroelectric power, supporting industries, providing waterborne transportation, and offering a variety of recreational opportunities. Human activities have, however, imposed stresses on the Great Lakes basins ecological integrity, and one of these stresses the introduction of nonindigenous species of animals and plants is the focus of this report. The opening of the St. Lawrence Seaway in 1959 provided a route into the Great Lakes not only for international maritime trade but also for aquatic invasive species (AIS) carried in the ballast water needed by ships to operate safely. Ships ballast water is not the only vector by which AIS enter the Great Lakes, but it has accounted for 55 to 70 percent of reported AIS introductions since 1959, including that of the zebra mussel (Dreissena polymorpha).
Author: United States. Army. Corps of Engineers. Detroit District
Publisher:
ISBN:
Category : Great Lakes
Languages : en
Pages : 344
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Author:
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ISBN:
Category :
Languages : en
Pages : 834
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 348
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 144
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