LINZ has released 41 updated Topo50 map sheets, 6 full sheet updates and 34 featuring selected updates, as part of ongoing Topo50 maintenance. The new map versions are free to download as both data files and image files. In September 2011, LINZ will release further Topo50 map sheets featuring both fully maintained map sheets and maps with selected updates, as well as the release of the  New Zealand offshore islands. For more information, see the Topo50 update history. You can also use the choose a map tool to select and download maps.