Great Lakes nations maintain coast guard vessels in the Great Lakes. During settlement, the Great Lakes and its rivers were the only practical means of moving people and freight. Barges from middle North America were able to reach the Atlantic Ocean from the Great Lakes when the Welland canal opened in 1824 and the later Erie Canal opened in 1825. By 1848, with the opening of the Illinois and Michigan Canal at Chicago, direct access to the Mississippi River was possible from the lakes. With these two canals an all-inland water route was provided between New York City and New Orleans. The
Great Lakes Chemical Corporation oil and gas, instead focusing on the research and production of bromine-based chemicals. At about this time, the company assumed its current name (Great Lakes Chemical Corporation) and built the world's largest bromine plant in southern Arkansas. Great Lakes grew through the following decades, acquiring several smaller companies in its market and establishing its world headquarters in West Lafayette, Indiana. Among those acquired by Great Lakes was BioLab in 1996, a producer of pool and spa products. The ticker symbol for Great Lakes on the New York Stock Exchange was GLK. On May 22, 1998, Great Lakes spun off their