Nitrous

Level 1 of the Dungeon
(4, -26, D:1)
  30 bolts
(5, -14, D:1)
  a cursed +0 dagger
(6, -46, D:1)
  a +0 dagger
(9, -42, D:1)
  a +0 club
(9, -8, D:1)
  a +0 leather armour
(12, -2, D:1)
  a +0 club
(26, -29, D:1)
  a +0 club
(27, -31, D:1)
  25 stones
(31, 1, D:1)
  26 sling bullets
(35, -47, D:1)
  a +0 club
(42, -21, D:1)
  a +0 hunting sling
(43, -31, D:1)
  a +0 club
(45, -34, D:1)
  a +0 helmet
(45, -26, D:1)
  a +0 short sword
(46, -18, D:1)
  a +0 ring mail
(56, -27, D:1)
  18 stones

Level 2 of the Dungeon
(0, 0, D:2)
  a stone
(1, 12, D:2)
  a +1 dagger of freezing
(5, -7, D:2)
  a +0 dagger
  4 stones
(10, 23, D:2)
  a +0 club
(25, -4, D:2)
  3 stones
(29, 0, D:2)
  a +0 club
(32, 8, D:2)
  2 potions of degeneration
(39, -4, D:2)
  a cursed -1 club

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 club
  a hobgoblin corpse (skeletalised by now)
(0, 8, D:3)
  15 arrows
(1, 2, D:3)
  a rat corpse (skeletalised by now)
(6, -30, D:3)
  14 stones
(13, -22, D:3)
  a potion of degeneration
  14 stones
(19, -17, D:3)
  3 stones
  a +0 dagger
(26, -17, D:3)
  2 stones
(27, -10, D:3)
  a +0 club
(28, -10, D:3)
  a +0 hunting sling
(31, -22, D:3)
  13 stones
(31, -9, D:3)
  a +0 hunting sling
(33, -5, D:3)
  a +0 ring mail
(38, 3, D:3)
  14 stones
(38, 7, D:3)
  a +0 long sword of flaming
(40, 9, D:3)
  a cursed -3 flail
(41, -17, D:3)
  a +0 dagger
(49, 20, D:3)
  a +0 dagger

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 giant spiked club
  (unseen)
(2, -3, D:4)
  16 gold pieces
(2, 1, D:4)
  a +0 mace
  (unseen)
(3, 0, D:4)
  a +0 hand axe
(13, -3, D:4)
  a +0 hand axe