This state has the highest average altitude of any state east of the Mississippi; must be pretty "mountainous"
[DOC] [TLE] Geography - Geographic Regions of Georgia - GeorgiaInfo [PAR] Along the eastern states - like Georgia - the Coastal Plain's interior boundary is ... 
Land north of the line is higher in elevation than land to the south, causing rivers 
... of the state and lies between the mountainous regions of north Georgia and the 
... Pennsylvania; it contains the highest elevations east of the Mississippi River.