One of the world's longest multiple-arch dams helped form this state's Grand Lake o' the Cherokees
... and 
still the largest multiple arch dam in the world, spanning 5,145 feet... [DOC] [TLE] Kids Play: Grand Lake summer fun - Grand Lake News [PAR] Jun 16, 2016 ... With 46,500 surface acres of water, Grand Lake O' the Cherokees is ideal for ... 
For more than 70 years, Pensacola Dam has held back the water that forms 
Grand Lake.