. . . . "509.703"^^ . . . . . . . . . "0.226535"^^ . . "27.8071"^^ . "For the stream that flows from Johnson County, Kansas, through Kansas City that is often referred to as the Big Blue see Blue River (Missouri)The Big Blue River is the largest tributary of the Kansas River."@en . . "Big Blue River"@en . "577754.0"^^ . . "Great Blue Earth River"@en . . . . . .