Quests starting in Durin's Threshold

Name	Level	Zone	Area
A Watchful Glance	51	The Great Delving	The Great Delving
An Ominous Tunnel	51	The Great Delving	The Great Delving
Foreword -- Book 2: Echoes in the Dark	53	The Great Delving	The Great Delving
In Pursuit	51	The Great Delving	The Great Delving
Sealing the Gate	51	The Great Delving	The Great Delving
To the Chamber of Crossroads	51	The Great Delving	The Great Delving
Welcome to Moria	51	The Great Delving	The Great Delving

Quests involving Durin's Threshold

Name	Level	Zone	Area
Chapter 3: Scavenging for Weapons	56	The Great Delving	The Way of Smiths
In His Memory	56	Redhorn Lodes	Redhorn Lodes
Rallying Cry	58	The Flaming Deeps	The Flaming Deeps