Canals and inland waterways | Description, History, Types, Features, Importance, & Examples

canals and inland waterways, natural or artificial waterways used for navigation, crop irrigation, water supply, or drainage. Despite modern technological advances in air and ground transportation, inland waterways continue to play a vital role and, in many areas, to grow substantially. This article traces the history of canal building from the earliest times to the present day and describes both the constructional and operational engineering techniques used and the major inland waterways and networks throughout the world. Transport by inland waterways may be on navigable rivers or those made navigable by canalization (dredging and bank protection) or on artificial waterways

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