This polygon shapefile is an index to 1:50,000 scale maps of Tasmania. This map series was originally produced by Tasmap between 2015 and 2019. Stanford University Libraries holds a large collection topographic maps. The Libraries are in the process of scanning and making available many of the maps in their collections. This layer provides an index map that can be used to locate individual scanned map sheets. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.