Unlike most major cities, Atlanta is not built around a waterway, like a bay or river. Atlanta was founded around railways. And railways are best designed where there is minimal elevation change, such as along a hydrological feature known as a continental divide. A continental divide is a ridge line dividing major watersheds in an area, and the Eastern Sub-Continental Divide runs right through Atlanta, by design. Although the well-known Chattahoochee is Atlanta’s largest river, it was not central to Atlanta’s founding. What was actually central to its founding was the…
