English: A metal pole around 8 metres height with markers indicating historic flood heights, showing year and flow rate in Megalitres/day reading from bottom to top: 1976—66,500; 1970—68,500; 1996—75,700; 1993—111,700; 1974—181,800; 1931—230,200; 1956—341,300 (1ML is approximate capacity of an Olympic size swimming pool)
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