- Children of Atom shrine, on the shelf across from the metal doors.
- The note will not appear until after drinking from Atom's Spring during the quest Visions in the Fog.
- The note alludes to the shrine password used during Visions in the Fog - the password, MoThEr, is written on the side of a locker next to a poster of the periodic table, which arranges all chemical elements. The password is written in the form of blocks used by the periodic table, with Mo being the abbreviation for molybdenum, Th for thorium, and Er for erbium.
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