Morgan, why would you think cutting mesquite will kill it? I think Ray is going to have a problem with mesquite roots sending up volunteers to sprout out of the top of the hugelkultur. It is damn persistent, and burning it to the ground and hacking the stump with a mattock only seems to make it sprout with renewed vigor.
There are 29 Knuts in one Sickle, and 17 Sickles make up a Galleon. 42 tiny ads in a knut: