A Minnesota Boat Club eight-man scull plies the waters of the Mississippi River on a training row in St. Paul early Aug. 19, 2009. (John Doman / Pioneer Press) Wondering how long the Mississippi ...
By this time, new technology was making river water easier to access. In 1582, a Dutch engineer called Peter Morice designed and built a system of waterwheels and pumps in the Thames. This system was ...