![]() Lawrence Region, July 2018, Martin Associates An economic study by Martin Associates on the impacts of Great Lakes navigation. ![]() Lawrence Region, July 2023, Martin Associates Economic Impacts of Maritime Shipping in the Great Lakes - St. Economic Impacts of Maritime Shipping in the Great Lakes - St. ![]() Coastal Infrastructure Pamphlet (PDF) Four page document summarizing the different aspects and risks behind the federal projects of the Great Lakes region. ![]() Great Lakes Navigation System Brochure This brochure provides a summary of the Great Lakes Navigation System including a summary of key missions and infrastructure maintained within the system along with the leading commodities and tonnages that move through the system. Great Lakes Navigation System: Economic Strength to the Nation - Report This document covers topics such as the system's economic benefits and costs, the system's environmental benefits, the need to strengthen the system, the five year plan for the system, critical system needs, and interdependency of the system. Army Corps of Engineers' role in Great Lakes navigation. The US Army Corps of Engineers helps to maintain Great Lakes navigation through dredging of channels and harbors, and construction and maintenance of coastal infrastructure.Ĭontact to submit comments or questions related to the U.S. In addition, the GLNS is connected to several other shallow draft waterways (Illinois Waterway, New York State Barge Canal, etc.) to form an important waterborne transportation network, reaching deep into the continent. portion of the system includes 140 harbors (60 commercial 80 recreational), two operational locks, 104 miles of breakwaters and jetties, and over 600 miles of maintained navigation channels. ![]() This bi-national resource is composed of the five Great Lakes, the connecting channels of the Great Lakes, the St Lawrence River and the Gulf of St. Lawrence on the Atlantic Ocean a distance of over 2,400 miles. The Great Lakes navigation system is a continuous 27-foot deep draft waterway that extends from the western end of Lake Superior at Duluth, MN to the Gulf of St. ![]()
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