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Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	required operating energy become very large, the turbulence developed creates instability of the shoreline structure of 20 the channel, and other problems appear. The preferred range of speed is about 10-12 mph.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com