A plea to the members of the UC community:
As more puzzles were solved, the original letter to the regents disintegrated into the following rebus puzzle:

When read aloud,
"Goat tooth ear hound won no frown two-outs eye drown tree"
sounds like the phrase"Go to the <round one> of <round two> outside <round three>",
giving instructions for where to begin the runaround:GO TO THE CARTOGRAM OF CAMPUS OUTSIDE I-HOUSE.
Upon going there, teams found instructions for the endgame...