Nithhogg

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 spear
(2, 0, D:1)
  a +0 club
(8, 20, D:1)
  a scroll of identify
(17, 25, D:1)
  a +0 leather armour
(19, 21, D:1)
  a cursed -3 dagger
(20, 21, D:1)
  a +0 club
(30, 53, D:1)
  a stone
(31, 48, D:1)
  a +0 short sword
(31, 55, D:1)
  a stone
(37, 32, D:1)
  17 stones
(38, 27, D:1)
  a stone
(38, 30, D:1)
  a +0 spear
(39, 27, D:1)
  a stone
(40, 29, D:1)
  a stone
(42, 5, D:1)
  a +0 hunting sling
(42, 32, D:1)
  a +0 club
(43, 17, D:1)
  a +0 whip
  a +0 dagger
(43, 18, D:1)
  a +0 club
(43, 22, D:1)
  a +0 mace
(45, 27, D:1)
  a +1 whip of holy wrath
(46, 22, D:1)
  a +0 robe
(53, 49, D:1)
  a +0 dagger

Level 2 of the Dungeon
(0, 0, D:2)
  11 poisoned darts
(3, 2, D:2)
  a +0 leather armour
(17, 10, D:2)
  a +0 short sword
  2 stones
(18, 10, D:2)
  a -1 leather armour
(20, 9, D:2)
  a stone
(21, 8, D:2)
  2 stones
(23, -11, D:2)
  18 sling bullets
(27, -1, D:2)
  14 stones
(27, 9, D:2)
  a cursed +0 dagger
(27, 14, D:2)
  a +0 whip
  2 boomerangs
  a +0 flail
  a +0 scale mail
  a +0 dagger
  a +0 robe
(32, 15, D:2)
  a +0 scale mail
(43, -16, D:2)
  a +0 robe
(49, -1, D:2)
  24 arrows

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 club (still there?)
  a goblin corpse (still there?)
(3, 3, D:3)
  8 gold pieces