Also known as Surly Barrel Aged Furious
Commercial description
Our cask beer that is dry hopped in the firkin for 13 days over a pound of simcoe hops.
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Surly Barrel Aged Furious

The brewer markets this same or near-same product by more than one names. This can be the result of a brewer distributing this beer under different names in different countries, or the brewer simply changing the name, but not the recipe at different points in time.