[headsonpikes]

I think the image at the end of this video is the one folks recall.

http://archives.cbc.ca/IDC-1-75-657-3654-20/that_was_then/science_technology/ripple_rock_blasted

[headsonpikes]

See my #47.

There's a Canadian connection to the Cynthia story.

In appearances, at any rate. ;^)