Can burrow multiple times

<100%hp 65%m 83%mv 13408tnl wilderness 3 AM standing> You are affected by:
Spell: 'giant strength' modifies strength by 3 for 19 hours.
Spell: 'detect magic' for 14 hours.
Spell: 'invis' for 13 hours.
Spell: 'detect invis' for 9 hours.
Skill: 'burrow' for -1 hours.
Skill: 'burrow' for -1 hours.

n/t

So long, and thanks for all the fish!