SQ41-42 Mawson - 1:1 Million Topographic GIS Dataset is part of the International Map of the World 1:1000000 map series. This dataset was updated in 2001/02 with the integration of data from the AAT Coastline 2001 dataset. The latter dataset is described in the metadata record with ID AAT_Coastline_2001. A PDF document providing details about the data integration procedure is available for download (refer to link below). The data have been formatted according to the SCAR Feature Catalogue, which includes data quality information (refer to links below).