50:13

Faint marks in an eroded clay tablet. Honey-braille, wearing down under the constant touch of visitors trying to get oriented here under the Welcome To Eden arch. If you get in line, you'll get your chance to read it... and then you'll discover it just rehashes the copper text that the Army stapled to the outside of the Trinity Site Monument... date, year, reason for the marker, and perhaps middle name of the current president.