Can you point to a site about what you mean?
(four months later) see in particular the illustration in #1 and #9.
Macro-Etymology: Paleosigns [writing 20,000 years ago?]
Macro-Etymology Website | prior to May 20, 2005 | the webmasters thereof
Posted on 5/20/2005 2:00:18 AM by SunkenCiv
http://www.freerepublic.com/focus/chat/1406892/posts