More than 18,000 people have participated in the Environmental Education Program provided at the Blackburn Lake Visitors' Centre since its establishment 10 years ago. Topics - Aboriginal Bush Tucker, History of the area and Flora and Fauna of the Sanctuary, through Audio-Visual Displays, Activity Sheets and Guided Walks. Friends of Blackburn Lake pictured. Open Day with special activities organised by Eastern Suburbs Photographic Society and Blackburn Lake Sanctuary Advisory Committee.More than 18,000 people have participated in the Environmental Education Programblackburn lake, friends of blackburn lake, eastern suburbs photographic society, blackburn lake advisory committee, meagher, dorothy, shaw, diane, sanders, bob, farrell, deidre