Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Water Management System of Augsburg' has mentioned 'River' in the following places:
Occurrence Sentence Text Source
For the 1972 Olympic Games in Munich, a Lech River dam protective diversionary canal for river ice was converted into the world's first artificial whitewater slalom course: the Eiskanal and remains a world-class venue for whitewater competition and served as prototype for two dozen similar foreign courses.
The system includes: the sources of both potable and process water (spring water and river water, respectively) and their network of canals and complex of watercourses that kept the two types of water in strict separation throughout the system; water towers from the 15th to 17th century that housed pumping machinery driven by water wheels and later by turbines to counter the abrupt topographical change presented by the plateau that hosts the historic city centre of Augsburg; a water-cooled butchersxe2x80x99 hall from the early 17th century; a system of three monumental fountains of extraordinary artistic quality; Hochablass Waterworks that represents modern cutting-edge hydraulic engineering of the late-19th century; hydropower stations, and finally the hydroelectric power stations that continue to provide sustainable power.