. . . . . . . . "Upper Avon Extension (Warwick)" . . . . . . . "Avon" . "Warwickshire Avon" . "Avon Riverbank" . . "Avon Valley" . . . . . "Upper Avon Navigation" . "Navigation of the Warwickshire Avon" . . "Avon, England" . . . . . . . . . . "is navigable" . . . . . . . . "River Avon, Warwickshire" . . . . "Avon River" . "River Avon" . "Rivers" . . "Lower Avon" . "137000.0" . . . . . . "Upper Avon" . "River Avon, Warwickshire" . . . "river Avon" . .