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The document included a number of A4 maps indicating the approximate boundaries of the nine Ramsar sites. During 1999 and 2000 DCLM has prepared a set of digitised maps of the nine Ramsar sites. These maps which also include basic cadastral and topographic information and area statements form the current data set. They describe the boundaries and areas of the sites more accurately than did the A4 maps and nomination text. These digitised maps are the new official maps for WA existing Ramsar sites. An additional three sites were added to the Ramsar Convention official List of Wetlands of International Importance in February 2001. These sites are Becher Point Wetlands, Lake Gore and Lake Muir-Byenup Lagoon. In late 2006 an additional six sites were proposed. These sites are Ellenbrook, Fortescue Marshes, Lake Ballard, Lake Gregory, Millstream Pools, Spearwood Creek. The Fortescue Marshes boundary was altered in late 2009 in order to more accurately align with the Important Wetlands dataset. 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