The illustrated two map provide the information about the changes from 1920 to 2020 which have been take place in sawey district neighborhood.
Overall, huge change can been seen at the end of period.new houses , factories ,bridg, facilities was constructed in comparison to the beginning of the period.
In both map,oak. Avenue divided the map into two quarter that is north and south. In 1920, the tulebug bross cannery presented in western part of the map which was surrounded by the tress. Tulebug bross cannery was replaced by the office complex.elmwood rives was present in the northern East of the map but beech are replaced by the bike path in 2020.briged across the river .
In southern part if the map ,there was the Prestwick primary school which was replaced by the petrol pump. School was constructed at The buttom of the map which was surrounded by the tress.new apartment ,houses and shop was also constructed around the side of the main road.