GEO-Logic: The Big Five Mass Extinctions

GEO-Logic: The Big Five Mass Extinctions

File 6536 is a 20kB Excel
Uploaded: May30 06
https://serc.carleton.edu/download/files/6536/l-gs-extinctions.xls

The file is referred to in 1 page
Provenance
No information about the origin of this particular item is recorded. Please contact SERC serc@carleton.edu for more information.
Reuse
No information about limits on reusing this item have been recorded. You will need to contact the original creator for permission in cases that exceed fair use (see http://fairuse.stanford.edu/).