I can't believe that this hasn't been posted here. The fic is "All That is Left"
by sjhw_tolerance. It's an apocafic written for apocalypse_kree on LiveJournal.
It's fairly long and written in four parts, but it is complete. Here's the
summary:

Summary: The text message came during his calculus final: “Leave immediately.
48.80N -92.10W.”

Just thought I'd share.

-Melanie-


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