In The Lord of the Rings , ORGANIZATION@1 writes that mithril was found only in Khazad-dûm -LRB- LOCATION@1 -RRB- in LOCATION@2 , where it was mined by the Dwarves .

It was only found in Khazad-dûm -LRB- LOCATION@1 -RRB- , where it was mined by the Dwarves , and -LRB- perhaps -RRB- in LOCATION@3 .
