Gang of navvies discharging mud from the punts on to the embankment, reclamation of mud flats at Cooks River 1888 From the collections of the State Library of New South Wales [TN83] (Detail 'A Grand Sanitary Work - Reclamation of Mud Flats at Cook's River, Botany Bay' Australian Town and Country Journal, 29 September 1888, p650)