Office of Environment and Heritage, New South Wales - DUFF_KILL Vegetation Survey

Survey of Lot 90 Killawarra Road, Duffys Forest for Waringah Council. The DUFF_KILL(Survey of Lot 90 Killawarra Road, Duffys Forest for Waringah Council) Survey is part of the Vegetation Information System Survey Program of New South Wales which is a series of systematic vegetation surveys conducted across the state between 1970 and the present.