I have found some more information in 2010. http://ww2.kqed.org/quest/2010/10/14/sand-waves-and-the-golden-gate/ http://ww2.kqed.org/quest/2010/10/14/sand-waves

I have found some more information in 2010. http://ww2.kqed.org/quest/2010/10/14/sand-waves-and-the-golden-gate/ http://ww2.kqed.org/quest/2010/10/14/sand-waves-and-the-gold...