Oh, the Insanity!

Objectives
Collect 50 Pilfered Cannonballs from Gurboggle's Ledge and from Gilblin Hoarders. Use the Cannonballs to create a Barrel of Gunpowder.
 * Barrel of Gunpowder

Description
So, I've been thinking'...

If someone's out-of-their-mind-guano-crazy, do they know it?

Case in point, I coulda swore that I'd collected a barrel of gunpowder from the cannonballs around here, but it's nowhere ta be found.

Maybe they're right... maybe I really have lost it.

Rewards
You will receive:

Progress
You want nuthin' to do with me,.

I'm a touch... screwy.

Completion
My gunpowder!

You found it! I'm not crazy after all!