Columbia Drainage and Levee District No. 3, Monroe County, Illinois, Letter from the Secretary of the Army Transmitting a Letter from the Chief of Engineers, Department of the Army, Dated July 17,1965, Submitting a Report, Together with Accompanying Papers and Illustrations, on an Interim Report on the Columbia Drainage and Levee District No. 3, Monroe County, Illinois, Requested by Resolutions of the Committees on Public Works, United States Senate and House of Representatives, Adopted July 18, 1957 and June 17, 1948, September 12, 1962.--Refered to the Committiee on Public Works and Ordered to be Printed with Two Illustrations


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A Failure of Initiative


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Engineers Far from Ordinary


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Includes full color maps and photographs.




Water Policies for the Future


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Restoration of Aquatic Ecosystems


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Aldo Leopold, father of the "land ethic," once said, "The time has come for science to busy itself with the earth itself. The first step is to reconstruct a sample of what we had to begin with." The concept he expressedâ€"restorationâ€"is defined in this comprehensive new volume that examines the prospects for repairing the damage society has done to the nation's aquatic resources: lakes, rivers and streams, and wetlands. Restoration of Aquatic Ecosystems outlines a national strategy for aquatic restoration, with practical recommendations, and features case studies of aquatic restoration activities around the country. The committee examines: Key concepts and techniques used in restoration. Common factors in successful restoration efforts. Threats to the health of the nation's aquatic ecosystems. Approaches to evaluation before, during, and after a restoration project. The emerging specialties of restoration and landscape ecology.