The map illustrate some changes that were made to American citiy from 1948 to 2010
it is clear that a majority number of manufactures to a town of America. these includes renovating some facilities, relocating to local Supermarket, demolishing factories, building new airport and so on.
As is shown by the maps, we can see that the factories had been located at northeast side of the town in 1948. which was demolished by airport and commercial building in 2010. Residential houses have been unchanged during over the period. The ground field was replaced by a supermarket.
Tow maps also show that the local Supermarket was situated at the Southwest corner of the American city . after 50 years, it had been withdrawn by commercial building.The location of petrol station has remined.In 1948,the town has been separeted by canal.In 2010,sports Stadium constructed on the south side of the town.
