114 resultados para Great lakes.


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[Burton is standing far left, Martin is seated at far right]

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I. General history.--Chronology.--Lake vessels.--II. Biographical.

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Vol. 1: "This edition is limited to 5000 copies, each copy being signed by the author. This is copy no. 497."

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Title Varies: Lakes Other Than the Great Lakes, Bays, and Sounds; General Rules and Regulations Prescribed by the Board of Supervising Inspectors as Amended at Board Meeting

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Bibliography: p. 632-643.

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In October 1980 the U.S. Army Corps of Engineers conducted a beach nourishment project at the Lexington (Michigan) Harbor on the southwest shore of Lake Huron, a project designed to mitigate beach erosion attributable to the installation of the harbor. In response to a request from the Coastal Engineering Research Center (CERC), the U.S. Fish and Wildlife Service's Great Lakes Fishery Laboratory conducted a Corps-funded study from June 1980 to October 1981 along a 8.4-kilometer segment of shoreline adjacent to the harbor to determine the effect of the Corps' beach nourishment project on the nearshore aquatic environment. The study performed by the service included aerial photographic surveys of the study area; measurement of dissolved oxygen, turbidity, and suspended particulate matter levels; and collection of lake bottom sediments, macrozoobenthos and fish. Analysis of the aerial photographs showed that the beach face profile changed markedly during the study as a result of beach nourishment. Dredging of about 19,000 cubic meters of beach sediment from an accretion area adjacent to the harbor's north breakwater caused the beach face to recede, while deposition of this sediment on a feeder beach south of the harbor caused the beach face there to extend lakeward.

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"EPA-905/9-79-004."