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Article: Canals
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- Water:Science and Issues
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Copyright informationCOPYRIGHT 2003 The Gale Group Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Canals
Human societies have long worked on changing nature's waterways for their purposes. Canals are artificial waterways constructed for
irrigation
, drainage, river overflows, water supplies, communications, and navigation, or in connection with power generation from
hydroelectric
dams. The digging of canals for irrigation probably dates to the beginnings of agriculture, with traces of canals found within ancient Chinese, Egyptian, and Babylonian civilizations. Written evidence shows that the Suez Canal, for instance, was excavated prior to 2000 b.c.e. It was documented to be navigable for small vessels by 600 b.c.e. and remained in operation for fourteen centuries as a convenient ...
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