The transportation system of Oregon is a cooperation of complex systems of infrastructure. == Background == === History === Steamboats and ferries were important early forms of transportation in early Oregon allowing trade along the Columbia and Willamette Rivers.
The transportation system of Oregon is a cooperation of complex systems of infrastructure. == Background == === History === Steamboats and ferries were important early forms of transportation in early Oregon allowing trade along the Columbia and Willamette Rivers.
Source: Wikipedia "Transportation in Oregon" · CC BY-SA 4.0
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