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A fall line (or fall zone) is the area where an upland region and a coastal plain meet and is noticeable especially where rivers cross it, with resulting rapids or waterfalls. The uplands are relatively hard crystalline basement rock, and the coastal plain is softer sedimentary rock. [1] A fall line often will recede upstream as a river cuts ...
The Atlantic Seaboard Fall Line, or Fall Zone, is a 900-mile (1,400 km) escarpment where the Piedmont and Atlantic coastal plain meet in the eastern United States. [2] Much of the Atlantic Seaboard fall line passes through areas where no evidence of faulting is present. The fall line marks the geologic boundary of hard metamorphosed terrain ...
The Fall Line Freeway (FLF), also signed as State Route 540 (SR 540), is a 215-mile-long (346 km) highway designed to span the width of the U.S. state of Georgia from Columbus at the Alabama state line to Augusta, travelling through several cities including Macon, Fort Valley, Sandersville, and Wrens. Though it is called a freeway, it is ...
(In Georgia and Alabama, where the Piedmont runs mostly east to west, the fall line is its southern boundary.) The fall line, where the land rises abruptly from the coastal plain, marks the limit of navigability on many major rivers, so inland ports sprang up along it. Within the Piedmont region itself, there are several areas of urban ...
The Eastern Continental Divide, Eastern Divide or Appalachian Divide is a hydrological divide in eastern North America that separates the easterly Atlantic Seaboard watershed from the westerly Gulf of Mexico watershed. The divide nearly spans the United States from south of Lake Ontario through the Florida peninsula, and consists of raised ...
195,000 cu ft/s (5,500 m 3 /s) The Chattahoochee River (/ ˌtʃætəˈhuːtʃi /) is a river in the Southeastern United States. It forms the southern half of the Alabama and Georgia border, as well as a portion of the Florida and Georgia border. It is a tributary of the Apalachicola River, a relatively short river formed by the confluence of ...
Columbus, Georgia, lies astride the fall line, a geological transition point that is marked by a change in elevation, resulting in rapids where the Chattahoochee River crosses. Historically, the fall line was a point of portage for river travelers, and a location associated with the building of dams and mills which harvested the power of the ...
The Savannah River is a major river in the Southeastern United States, forming most of the border between South Carolina and Georgia. Two tributaries of the Savannah, the Tugaloo River and the Chattooga River, form the northernmost part of the state border. The Savannah River drainage basin extends into the southeastern side of the Appalachian ...