sentences:  Water supplies from Wendover were found to be inadequate, and a series of reservoirs were built.A pumping station at Whitehouses was superseded by the Tringford pumping station in 1817; its steam engines were replaced by diesel engines in 1911 and then by electric pumps.The canal was used for the carriage of coal to three gasworks, and for transport of straw to London and horse manure in the opposite direction.