Quests starting in Isengard Depths

Name	Level	Zone	Area
Book 4, Chapter 19: The Caverns of Isengard	72	Isengard Depths	Isengard Depths
Book 4, Chapter 20: In The Presence of Saruman	72	Isengard Depths	Isengard Depths
Book 4, Chapter 23: The Wizard's Vale	72	Isengard Depths	Isengard Depths
Book 4, Chapter 24: A Pinch of Black Powder	72	Isengard Depths	Isengard Depths
Book 4, Chapter 25: Final Preparations	72	Isengard Depths	Isengard Depths
Book 4, Chapter 26: Escape from Isengard	72	Isengard Depths	Isengard Depths
Heavy Lifting	72	Isengard Depths	Isengard Depths
Instance: Escape from Isengard	72	Isengard Depths	Isengard Depths
Kill Ten Rats	72	Isengard Depths	Isengard Depths

Quests involving Isengard Depths

Name	Level	Zone	Area
Book 4, Chapter 18: The Captive	72	Dunland	Gravenwood
Book 4, Chapter 22: Feed the Prisoners	72	Isengard	Isengard
Isengard: Pits of Isengard	75	Middle-earth	Global