![]() It operates three principal types of dredging equipment: hopper dredges, hydraulic dredges and mechanical dredges. Its United States dredging market consists of four primary types of work: capital, coastal protection, maintenance and rivers and lakes. Domestically, its work generally is performed in coastal waterways and deep-water ports. Its dredging generally involves the enhancement or preservation of the navigability of waterways or the protection of shorelines through the removal or replenishment of soil, sand or rock. The Company operates three types of dredging equipment: hopper dredges, hydraulic dredges and mechanical dredges. The Company provides dredging services in the United States. Retrieved 27 February 2012.Great Lakes Dredge & Dock Corporation is a provider of dredging services. In 1914-1915 the firm participated in the construction of piers and abutments for the Detroit-Superior and Clark Avenue bridges. In addition to dredging and dock construction, Great Lakes has also fabricated and laid pipelines, installed piers for bridges, built up breakwaters, and added sand to eroding beaches. Lydon, the company has grown since then and expanded its operations to Central and South America, as well as the Middle East, Africa, and the Caribbean Islands. The Great Lakes Dredge and Dock Company was established when the use of larger ships on the Great Lakes created a need for deeper channels and sturdier docks. ^ "Great Lakes Dredge and Dock Company".Lydon, était possesseur d'un grand yacht à vapeur, "The Lydonia". Cette importante firme d'entreprise existe toujours. En 1904, il organisa la Great Lakes Dredge & Dock Co, toujours à Chicago, et avec de nombreuses agences, dans les villes de la région des Grands Lacs. En 1891, il devient un membre de l'entreprise Lydon & Drews Co, pour travaux fluviaux et maritimes. Il servit dans sa spécialité la ville de Chicago, de 1887 à 1890. William Lydon fût diplômé ingenieur civil, par la Lehigh University. International Directory of Company Histories. ![]()
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