    Seatence 1: X/here does the Rhine river's    measurement ¢:    Sentence 2s The river length is significantly  shortened from the river's natural course due  to number of canalisation projects completed  in the 19th and 20th century. note 7 The   “total length of the Rhine’, to the inclusion of  Lake Constance and the Alpine Rhine is  more difficule to measure objectively? it was  cited as 1,232 kilometres (765 miles) by the    Dutch Ritkswaterstaat in 2010. note 1