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Canal (waterway) - Printer-friendly - MSN Encarta |
 | | Canals date from a period long before the Christian era and served as means of navigation and communication for the Assyrians, Egyptians, Hindus, and Chinese. |
 | | The remains of a canal near Mandalī, Iraq, date from about 4000 bc; the 1,900 km (1,200 mi) Grand Canal of China, connecting Beijing and Hangzhou, was constructed over a long period of time, largely in the 7th and 13th centuries AD, and is still in use. |
 | | The construction of the Erie Canal, started in 1817, marked the beginning of an era of canal building, which produced an aggregate of more than 7242 km (4500 mi) of canals (mostly in the Middle Atlantic and Central states) and was largely responsible for opening the American Midwest to settlement. |
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