Slide 2 
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Slide 2
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| This computerized map shows the land area of Boston in 1630, when it was established by the Puritans, in dark gray and the present land in light gray. The difference between the two is land that was created by filling in the tidal flats--areas covered with water at high tide but exposed mud flats at low tide--that once surrounded Boston. The following presentation will explain why land was made at Columbia Point (1), the location of the Boston campus of the University of Massachusetts (UMass). | |