NEED HELP - Digging Dog - What's Best Way To Stop?

My husky is now 11 and has NEVER stopped digging. We tried everything from pepper to poop. One thing i didnt try is the shock collar. I ended up putting up a fence so she can only tear up 1/3 of the yard.

She just loves dirt as seen in the pics

I will add though, She is the best dog ive ever owned other than the digging.

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