October 9, 2020 Hidden on: 10/09/2020 Title: Subterranean Author: James Rollins Tracking Number: 13817 Location: Brew Ha Ha at the Colony, Erie, Pennsylvania United States Clue: Yvgdvvm drmwld zmw dllw, ivzxs wldm yvhrwv gsv szmw-ilzhgvw.