I'd love to tell you that there is an easy way. There isn't. Soak the ground a fair few times, dig around and undermine, that clump should only take a couple of hours at worst. I use a 3 1/2 ton digger.
You could always go for the nuclear option and burn the fucker out.
@Bobbo started
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I'd love to tell you that there is an easy way. There isn't. Soak the ground a fair few times, dig around and undermine, that clump should only take a couple of hours at worst. I use a 3 1/2 ton digger.