Gerenzo the Traitor

A note to any high level flying in to do this (and Just Ask Alice): You actually have to enter the water wheel complex on foot (or mounted, but not flying). Simply flying to the platform with Gerenzo won't activate this quest.

CHASING THE BOMB Quest Tree From Whiterock

1)They Took Our Gnomes*
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 | 1)Ze Gnomecorder* 1)The Goblin Braintrust*
 |__|_________________|
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2)Do Yourself a Favor
2)The Only Way Down is in a Body Bag
1)Return to Stardust-->2)Hellscream's Legacy
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2)Field Test: Gnomecorder
2)Burn, Baby, Burn!
2)Bombs Away: Windshear Mine!
 |                     |->2)Don't Look Them in the Eyes
2)Illegible Orc Letter |->2)Windshear Mine Cleanup
2)Minx'll Fix It
2)Orders from High Command
2)Commandeer That Balloon!-->2)Just Ask Alice
 |->1)Gerenzo the Traitor    2)Mr. P's Wild Ride
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2)Free Our Sisters              1)BEWARE OF CRAGJAW!
2)Rumble in the Lumber... Mill
 |  |               |->3)Preparations for the Future
 |  |               |
 | 3)Arcane Legacy 3)Capturing Memories
 |  |              /
 | 2)Fallowmere Beckons
 | 4)Bombs Away: Mirkfallon Post!
 |  |                    |->4)Schemin' That Sabotage
 | 4)Gnome on the Inside |->4)The Lumbering Oaf Problem
 | 4)It's Up There!
 | 4)No Time for Goodbyes!
 | 1)Warn Master Thal'darah
 | 6)Save the Children!
 | 6)Last Ditch Effort
 |  |->5)Back to the Depths!
 |  |->5)Putting Them to Rest
 |  |->5)Seen Better Days        Help for Desolace*
 |  |
 | 1)Thal'darah's Vengeance
 |  |                   |->7)Hungry Pups
 | 7)Ascending the Vale |->7)World First: Gnomegen
 | 7)Brood of Seldarria
 |
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3)If the Horde Don't Get You...
1)Tell 'Em Koko Sent You
8)The Deep Reaches
 |_________________________________________
 |                 |                      |
8)Shuttin Her Down |        8)Leave No Man Behind!
 |                /                       |
 | 8)They Put the Assass in... Never Mind |
 | 8)Is This Thing On?                    |
 |___|____________________________________|
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1)A Special Kind of Job
1)Death by Proxy
1)A Proper Peace Offerin'
9)Sating the Savage Beast
1)Terms of Service-->8)The Unrelenting Horde
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8)Armaments for War
9)Grundig Darkcloud, Chieftain of the Grimtotem
9)Grimtotem Supremacy
9)Downfall
1)Dances with Grimtotem
1)All's Clear

D)Thinning the Horde(Not aviable?)
Hero's Call: Stonetalon Mountains!(WTB info)
They Set Them Up The Bomb!(Ashenvale quest)
Quest zones:
1)Unique zones_____2)Windshear Crag+Windshear Mine_____3)Ruins of Eldre'thar+Webwinder Hollow_____4)The Sludgewerks_____5)Stonetalon Peak_____6)Thal'darah Grove_____7)The Charred Vale_____8)The Deep Reaches+Unearthed Grounds_____9)Camp Aparaje+Grimtotem Post
D)Daily_____G)Gluing Separate Questlines
*Click to see more info about that quest-line.
Stonetalon Mountains(Alliance) is done! Leave your comments/sugestions at my comment in Stonetalon Mountains zone. Thanks everyone who helped me to make it via comments on wowhead and in-game pre-quest tracking. Special thanks to Ravenhurst.

You "discover" this quest by having the "Gnomecorder" equipped and venturing near the Cragpool Lake water wheel.