DIVISION UNNUMBERED MEMORANDUM: INVITATION TO PARTICIPATE IN THE FOURTH QUATER NATIONWIDE SIMULTANEOUS EARTHQUAKE DRILL 2020 Posted on November 10, 2020 by JD Mercado Leave a comment DIVISION UNNUMBERED MEMORANDUM: INVITATION TO PARTICIPATE IN THE FOURTH QUATER NATIONWIDE SIMULTANEOUS EARTHQUAKE DRILL 2020 Memorandum Unnumbered