Canal this trend. Yet in other countries canals grew in size as construction techniques improved. During the 19th century in the US, the length of canals grew from to over 4,000, with a complex network making the Great Lakes navigable, in conjunction with Canada, although some canals were later drained and used as railroad rights-of-way. In the United States, navigable canals reached into isolated areas and brought them in touch with the world beyond. By 1825 the Erie Canal, long with 36 locks, opened up a connection from the populated Northeast to the Great Lakes. Settlers flooded into regions serviced by
Great Lakes Greyhound Lines new subsidiary, named as the Great Lakes Greyhound Lines, which in 1941 took over the EMM. In 1941, when the Great Lakes GL came into existence, The Greyhound Corporation merged the Ohio GL into the new Great Lakes GL. The Ohio GL had run between Detroit and Louisville (in Kentucky) via Toledo, Dayton, and Cincinnati (all three in Ohio), plus along a detached route between Evansville and Indianapolis (both in Indiana). [The route segment between Louisville and Cincinnati had come from the Southland Transportation Company, which Harris Spearin, with the backing and financing of Wickman in Minnesota, had founded in