21 FEB 2013 Riverfront Seafood Company 1777 Netherland Inn Road Kingsport, TN Sullivan County Rack Cross . I saw the Harlequin Duck in the river behind the Riverfront Seafood Company today at lunch today. This is the 22nd day of the duck's presence since Brookie and Jean Potter of Elizabethton, TN discovered and identified it. Thank you again Brookie and Jean! . 'Til we bird again, . Rack Cross Blountville, TN