The upper Severn estuary at Lydney, Glocestershire; a typical low tide scene, showing the remains of 18th and 19th century Severn trows surviving in the mud (photo:© Mark Horton)Headers / October 17, 2009 October 17, 2009 The upper Severn estuary at Lydney, Glocestershire; a typical low tide scene, showing the remains of 18th and 19th century Severn trows surviving in the mud (photo:© Mark Horton) Share this:TwitterFacebookLike this:Like Loading...