Mr. Lindberg’s “guess” does not qualify for ping worthyness, IMO.
Mr Lindberg said it was large and about 60ft in diameter and clearly visible on the sea bed.
Read more: http://www.dailymail.co.uk/sciencetech/article-2021174/Have-scientists-crashed-flying-saucer-seabed.html#ixzz1U0DGdDuo
thx.
Feel free to ping the list.