Yew

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(3, -16, D:1)
  a +0 dagger
(3, -10, D:1)
  a +0 sling
(4, -27, D:1)
  a +0 mace
(4, -2, D:1)
  2 stones
(4, 1, D:1)
  a quokka corpse (skeletalised by now)
(8, -5, D:1)
  a bat skeleton
(10, -6, D:1)
  a +0 ring mail
(15, -3, D:1)
  a ball python skeleton
(28, 7, D:1)
  a ball python skeleton
(29, -3, D:1)
  a +1 dagger of speed
(33, -7, D:1)
  a +0 leather armour
(33, -6, D:1)
  a +0 dagger
(33, -3, D:1)
  5 stones
(36, 17, D:1)
  5 stones
(40, 9, D:1)
  a +0 club
(42, 2, D:1)
  a bat skeleton
(42, 14, D:1)
  7 stones
(43, 0, D:1)
  a +0 dagger
(43, 16, D:1)
  a +0 mace
(44, 13, D:1)
  a +0 club
  a goblin skeleton

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 club
(3, -5, D:2)
  an adder corpse (skeletalised by now)
(8, 5, D:2)
  a +0 whip
(20, -1, D:2)
  a rat corpse (skeletalised by now)
(21, -1, D:2)
  a +0 dagger
  5 stones
(25, -5, D:2)
  5 boomerangs
(25, 18, D:2)
  a frilled lizard skeleton
(32, 18, D:2)
  a +0 dagger
(33, 19, D:2)
  a quokka skeleton
(38, 12, D:2)
  a +0 leather armour
(41, 0, D:2)
  a +0 dagger
  a +0 leather armour
(43, 0, D:2)
  a bat skeleton
(46, -5, D:2)
  5 stones

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 barding
(15, 2, D:3)
  a +0 dagger
  a stone
(21, 3, D:3)
  a +0 whip
  a kobold corpse (skeletalised by now)
(24, 31, D:3)
  5 poisoned darts
(28, 31, D:3)
  3 poisoned darts
(29, -1, D:3)
  a +0 hand axe
(29, 29, D:3)
  a +0 dagger
(32, 19, D:3)
  a ball python skeleton
(33, 34, D:3)
  a +0 ring mail
(35, 14, D:3)
  2 stones
(40, 4, D:3)
  a quokka skeleton
(41, 21, D:3)
  a +2 leather armour of poison resistance
(44, 16, D:3)
  6 poisoned darts
(46, 26, D:3)
  a +0 club
  a kobold corpse
(49, 19, D:3)
  a +0 leather armour

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 spear
(4, 8, D:4)
  6 gold pieces
(8, -10, D:4)
  a scroll of identify
(9, -19, D:4)
  a scroll of torment
(12, 2, D:4)
  10 gold pieces
(14, -21, D:4)
  5 atropa-tipped darts
(14, 2, D:4)
  a +0 flail
(17, 4, D:4)
  a scroll of blinking
(18, 5, D:4)
  a beast talisman