"Grand Mound is a city in Clinton County, Iowa, United States. The population was 642 at the 2010 census."@en . "4.71378e+06"^^ . . . "4.71e+06"^^ . . "642"^^ . "136.2"^^ . . "Grand Mound, Iowa"@en . "220.98"^^ . "221.0"^^ . "4.71378e+06"^^ . "0.0"^^ . "-5" . "52751" . "136.178"^^ . . . "-6" . . "4.71e+06"^^ . "563" .