key physical features
The fall line separates the costal plains from the piedmont region. The land elevation drops and water flows at an increased rate. this is what settlers used to power water mills in early settlement days. It is also one of georgics most important physical features throughout history it has affected georgics historical growth in population and commerce in many ways. The Okefenokee swamp sits as the largest swamp in north america covers roughly 700 square miles and is located in the south eastern corner of Georgia. A mix of geological events, environmental variables, and human impact has made the okefenokke what it is today . It is in a subtropical climate they have up to 50 inches of rain a year and is the source of the most water entering the swamp more than 1,400 miles of upland watershed. The chattohuche river forms the southern half of the Alabama and Georgia border, as well as a portion of the floridaborder. It is a tributary of the Apalachicola river , a relatively short river formed by the confluence of the Chattahoochee and Flint rivers and emptying from Florida into Apalachicola Bay in the gulf of mexico. The Chattahoochee River is about 430 miles long. The savannah river is a major river forming the border between the states of south Carolina and Georgia. The river is around 300 miles long. The Savannah River was once navigable by freight barges between Augusta, Georgia on the Fall line and the Atlantic Ocean; maintenance of this channel for commercial shipping ended in 1979, and the one lock below Augusta has been deactivated. Barrier islands, a coastal landform and a type of Decan system, are exceptionally flat and lumpy areas of sand, that are parallel to the mainland coast. They usually occur in chains, consisting of anything from a few islands to more than a dozen. Excepting the tidal inlets that separate the islands, a barrier chain may extend uninterrupted for over a hundred kilometers, the longest and widest being Padre islands.