"Keystone, Wisconsin"@en . "-5" . . "9.27e+07"^^ . . "4.1"^^ . "Keystone is a town in Bayfield County, Wisconsin, United States. The population was 378 at the 2010 census. The unincorporated community of Ino is located in the town."@en . . "378"^^ . . . "9.34e+07"^^ . "-6" . . "296.875"^^ . . "700000.0"^^ . "297.0"^^ . "715 & 534" .