These are 10" the long axis through the egg shape.
(http://i152.photobucket.com/albums/s199/lokanagan/waterfalls%20mtns%20rivers/IMG_6852_zpscd3cee64.jpg) (http://s152.photobucket.com/user/lokanagan/media/waterfalls%20mtns%20rivers/IMG_6852_zpscd3cee64.jpg.html)
Amazing. what Mother nature can do. cc