Even after the Overseer marks it for dumping, somehow Urist Baggins will never actually create the Dump Item job to take it to the magma chute. After in-game years of waiting, if the Overseer manages to somehow hack in the actual Dump Item job:
Urist Baggins cancels Dump Item: interrupted by gardener.
Urist Baggins cancels Dump Item: interrupted by Nazgūl.
Urist Baggins cancels Dump Item: interrupted by Barrow-Wight.
Urist Baggins cancels Dump Item: interrupted by Willow.
Urist Baggins cancels Dump Item: interrupted by Nazgūl. (x3)
Urist Baggins cancels Dump Item: too injured.
Urist Baggins cancels Dump Item: dangerous terrain.
Urist Baggins cancels Dump Item: interrupted by Goblin.
Urist Baggins cancels Dump Item: interrupted by Balrog.
Urist Baggins cancels Dump Item: interrupted by Elf.
Urist Baggins cancels Dump Item: interrupted by Human.
Urist Baggins cancels Dump Item: interrupted by Uruk-hai.
Urist Baggins cancels Dump Item: cannot find path. (x100)
Urist Baggins cancels Dump Item: interrupted by River Folk.
The Forgotten Beast Shelob has come! A gigantic monster in the form of a spider. It is the last of the wicked spawn of Ungoliant the Void Dweller and it squirms and fidgets. Beware its webs!
Urist Baggins cancels Dump Item: interrupted by Shelob.
Urist Baggins cancels Dump Item: unconscious.
Cog Gamgeee cancels Dump Item: interrupted by Dwarf.
Urist Baggins cancels Dump Item: too insane.
Urist Baggins cancels Dump Item: interrupted by River Folk.
The River Folk Sméagol "Gollum" Trahald has been found dead.
A masterwork of Sauron Tar-Mairon has been lost!
Urist Baggins cancels Sleep: interrupted by Giant Eagle.
Cog Gamgee cancels Sleep: interrupted by Giant Eagle.
What would Urist do upon discovering powered flight?