Dedham topographic map
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About this map
Name: Dedham topographic map, elevation, terrain.
Average elevation: 141 ft
Minimum elevation: -79 ft
Maximum elevation: 328 ft
The first man-made canal in North America, Mother Brook, was created in Dedham in 1639. It linked the Charles River to the Neponset River. Although both are slow-moving rivers, they are at different elevations. The difference in elevation made the canal's current swift enough to power several local mills.
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