Unfortunately the size discrepancy isn't large enough compensate for the resolution discrepancy. So I've sent the PowerPoint file and jpgs and tiffs derived from it to my collaborator, hoping she can do the conversion we need. She's sent me the other information I need for the final revisions, so maybe we can still get it all submitted before Monday.
The true Geology behind The X-Files: Darkness Falls
2 days ago in History of Geology