erm... precedent?
experience. there are clues, it's not like they're randomly proclaiming certain things to be fossils or fossilized (though yes, this has happened, it isn't common). approximate age of the rock itself. type of track, talon/toe placement, etc. > To play devil's advocate here, how does one jump to the conclusion that > it is a dinosaur footprint? -- will "If my life weren't funny, it would just be true; and that would just be unacceptable." - Carrie Fisher ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Discover CFTicket - The leading ColdFusion Help Desk and Trouble Ticket application http://www.houseoffusion.com/banners/view.cfm?bannerid=48 Message: http://www.houseoffusion.com/lists.cfm/link=i:5:163133 Archives: http://www.houseoffusion.com/cf_lists/threads.cfm/5 Subscription: http://www.houseoffusion.com/lists.cfm/link=s:5 Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=11502.10531.5 Donations & Support: http://www.houseoffusion.com/tiny.cfm/54
