Topographic map of Pirron Yallock region, Victoria. Relief shown by contours and spot heights
"Compiled from DSE Vicmap and Corporate Spatial Data Library (CSDL) Library information. The currency range of source data is as follows: Vicmap Transport: 2009; except for walking and vehicular tracks within Parks and Conservation Reserves: 1994-2009 ; Vicmap Property: 2009 ; Vicmap Features: 2000-2009 ; Vicmap Vegetation (not including Treecover): 1974-1995 ; CGDL Treecover: 2000 ; Plantation data derived from PLANT100: 2003-2005 ; Vicmap Hydro: 2009 ; Vicmap Elevation Statewide Contours: 2009 ; Vicmap Admin (Local Government Areas): 2009 ; Parks and Conservation Reserves information derived from Vicmap Property and other Victorian Government Data: 2009 ; Other Crown Land information derived from Vicmap Property and PLM100: 2009. SA and NSW topographic data sourced from Department of Environment and Heritage, and Department of Lands respectively, in 2009."