Imagery from Landsat-1 and Landsat-2 Multispectral Scanner (MSS), Landsat-5 Thematic Mapper (TM), Landsat-7 Enhanced Thematic Mapper Plus (ETM+), and Landsat-8 Operational Land Imager (OLI) were acquired and mainly used to analyse land cover changes and urban expansion in the Montréal CMA (Table 1).